Dictionary > English Dictionary > Definition, synonym and antonym of section
Meaning of section by Wiktionary Dictionary



    From Old French, from Latin sectio ( “cutting, cutting off, excision, amputation of diseased parts of the body, etc.” ), from sectus, past participle of secare ( “to cut” ) .


    • ( UK, US ) IPA: /ˈsɛk.ʃən/, X-SAMPA: /"sEk.S@n/
    • Rhymes: -ɛkʃən


    section ( plural: sections )

    1. A cutting; a part cut out from the rest of something .
    2. A part, piece, subdivision of anything .
    3. A part of a document .
    4. An act or instance of cutting .
    5. A cross-section ( image that shows an object as if cut along a plane ).
      1. ( aviation ) A cross-section perpendicular the longitudinal axis of an aircraft in flight .
    6. ( surgery ) An incision or the act of making an incision .
    7. ( sciences ) A thin slice of material prepared as a specimen for research .
    8. ( military ) A group of 10-15 soldiers lead by a non-commissioned officer and forming part of a platoon .
    9. ( category theory ) A right inverse .
    10. ( New Zealand ) A piece of residential land usually a quarter of an acre, a plot .


    The terms below need to be checked and allocated to the definitions ( senses ) of the headword above. Each term should appear in the sense for which it is appropriate. Use the template {{sense|"gloss"}}, substituting a short version of the definition for "gloss" .


    Coordinate terms

    Related terms


    section ( third-person singular simple present sections present participle sectioning, simple past and past participle sectioned )

    1. To cut, divide or separate into pieces .
    2. ( UK ) To commit, as for mental health reasons. So called after various sections of legal acts regarding mental health.

    External links

    • section in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913
    • section in The Century Dictionary, The Century Co., New York, 1911
    • section at OneLook Dictionary Search


Explanation of section by Wordnet Dictionary


    1. divide into segments

    1. the cutting of or into body tissues or organs ( especially by a surgeon as part of an operation )

    2. one of several parts or pieces that fit with others to constitute a whole object

    3. a section of a fishing rod
      metal sections were used below ground
    4. one of the portions into which something is regarded as divided and which together constitute a whole

    5. the finance section of the company
    6. a self-contained part of a larger composition ( written or musical )

    7. he always turns first to the business section
      the history of this work is discussed in the next section
    8. a segment of a citrus fruit

    9. he ate a section of the orange
    10. a specialized division of a large organization

    11. she got a job in the historical section of the Treasury
    12. a small team of policemen working as part of a police platoon

    13. a small army unit usually having a special function

    14. a division of an orchestra containing all instruments of the same class

    15. a small class of students who are part of a larger course but are taught separately

    16. a graduate student taught sections for the professor's lecture course
    17. the area created by a plane cutting through a solid

    18. a distinct region or subdivision of a territorial or political area or community or group of people

    19. no section of the nation is more ardent than the South
      there are three synagogues in the Jewish section
    20. a very thin slice ( of tissue or mineral or other substance ) for examination under a microscope

    21. sections from the left ventricle showed diseased tissue
    22. a land unit equal to 1 square mile

    Definition of section by GCIDE Dictionary


    1. Section n. [L. sectio, fr. secare, sectum, to cut; akin to E. saw a cutting instrument: cf. F. section. See Saw, and cf. Scion, Dissect, Insect, Secant, Segment.]
      1. The act of cutting, or separation by cutting; as, “the section of bodies”.

      2. A part separated from something; a division; a portion; a slice. Specifically: --

      A distinct part or portion of a book or writing; a subdivision of a chapter; the division of a law or other writing; a paragraph; an article; hence, the character §, often used to denote such a division.

      It is hardly possible to give a distinct view of his several arguments in distinct sections. Locke.

      A distinct part of a country or people, community, class, or the like; a part of a territory separated by geographical lines, or of a people considered as distinct.

      The extreme section of one class consists of bigoted dotards, the extreme section of the other consists of shallow and reckless empirics. Macaulay.

      One of the portions, of one square mile each, into which the public lands of the United States are divided; one thirty-sixth part of a township. These sections are subdivided into quarter sections for sale under the homestead and preemption laws.

      3. ( Geom. ) The figure made up of all the points common to a superficies and a solid which meet, or to two superficies which meet, or to two lines which meet. In the first case the section is a superficies, in the second a line, and in the third a point.

      4. ( Nat. Hist. ) A division of a genus; a group of species separated by some distinction from others of the same genus; -- often indicated by the sign §.

      5. ( Mus. ) A part of a musical period, composed of one or more phrases. See Phrase.

      6. The description or representation of anything as it would appear if cut through by any intersecting plane; depiction of what is beyond a plane passing through, or supposed to pass through, an object, as a building, a machine, a succession of strata; profile.

      ☞ In mechanical drawing, as in these Illustrations of a cannon, a longitudinal section usually represents the object as cut through its center lengthwise and vertically; a cross or transverse section as cut crosswise and vertically; and a horizontal section as cut through its center horizontally. Oblique sections are made at various angles. In architecture, a vertical section is a drawing showing the interior, the thickness of the walls, etc., as if made on a vertical plane passed through a building.

      Angular sections ( Math. ), a branch of analysis which treats of the relations of sines, tangents, etc., of arcs to the sines, tangents, etc., of their multiples or of their parts. [R.] -- Conic sections. ( Geom. ) See under Conic. -- Section liner ( Drawing ), an instrument to aid in drawing a series of equidistant parallel lines, -- used in representing sections. -- Thin section, a section or slice, as of mineral, animal, or vegetable substance, thin enough to be transparent, and used for study under the microscope.

      Syn. -- Part; portion; division. -- Section, Part. The English more commonly apply the word section to a part or portion of a body of men; as, “a section of the clergy, a small section of the Whigs, etc.” In the United States this use is less common, but another use, unknown or but little known in England, is very frequent, as in the phrases “the eastern section of our country,” etc., the same sense being also given to the adjective sectional; as, sectional feelings, interests, etc.