WordReference Random House Learner's Dictionary of American English © 2019
sec•tion /ˈsɛkʃən/USA pronunciation   n. 
  1. a distinct, separate part of anything, such as a community:[countable]one of the nicer sections of town.
  2. [countable] a distinct part of a newspaper, etc.:the sports section.[uncountable;  before a number]The phrase is found in article VI, section II.
  3. a part cut off or separated;
    one of a number of parts that can be fitted together to make a whole:[countable]Two sections of pipe had come loose.
  4. a drawing or diagram of an object as it would appear if cut through a side, showing its internal parts or structure:[countable]a cross section.
  5. Music and Dance a division of an orchestra containing all the instruments of one class:[countable]the brass section.

v. [+ object]
  1. to divide into sections.
  2. to cut through so as to show a section.
See -sect-.
WordReference Random House Unabridged Dictionary of American English © 2019
sec•tion  (sekshən),USA pronunciation n. 
  1. a part that is cut off or separated.
  2. a distinct part or subdivision of anything, as an object, country, community, class, or the like:the poor section of town; the left section of a drawer.
  3. a distinct part or subdivision of a writing, as of a newspaper, legal code, chapter, etc.:the financial section of a daily paper; section 2 of the bylaws.
  4. one of a number of parts that can be fitted together to make a whole:sections of a fishing rod.
  5. Surveying, Government(in most of the U.S. west of Ohio) one of the 36 numbered subdivisions, each one square mile (2.59 sq. km or 640 acres), of a township.
  6. an act or instance of cutting;
    separation by cutting.
  7. Surgery
    • the making of an incision.
    • an incision.
  8. Laboratory, Medicinea thin slice of a tissue, mineral, or the like, as for microscopic examination.
  9. a representation of an object as it would appear if cut by a plane, showing its internal structure.
  10. [Mil.]
    • Militarya small unit consisting of two or more squads.
    • MilitaryAlso called  staff section. any of the subdivisions of a staff.
    • Militarya small tactical division in naval and air units.
  11. Rail Transport
    • Rail Transporta division of a sleeping car containing both an upper and a lower berth.
    • Rail Transporta length of trackage, roadbed, signal equipment, etc., maintained by one crew.
  12. Rail Transport, Transportany of two or more trains, buses, or the like, running on the same route and schedule at the same time, one right behind the other, and considered as one unit, as when a second is necessary to accommodate more passengers than the first can carry:On holidays the New York to Boston train runs in three sections.
  13. a segment of a naturally segmented fruit, as of an orange or grapefruit.
  14. Music and Dancea division of an orchestra or band containing all the instruments of one class:a rhythm section.
  15. Printing[Bookbinding.]signature (def. 8).
  16. Also called  section mark. a mark used to indicate a subdivision of a book, chapter, or the like, or as a mark of reference to a footnote.
  17. Show Business[Theat.]one of a series of circuits for controlling certain lights, as footlights.
  18. Building, Metallurgyshape (def. 12).

  1. to cut or divide into sections.
  2. to cut through so as to present a section.
  3. Surgeryto make an incision.
  • Latin sectiōn- (stem of sectiō) a cutting, equivalent. to sect(us) (past participle of secāre to cut; see saw1) + -iōn- -ion
  • 1550–60
    • 1.See corresponding entry in Unabridged See  part. 
    • 8.See corresponding entry in Unabridged specimen, sample, cutting.

Collins Concise English Dictionary © HarperCollins Publishers::

section /ˈsɛkʃən/ n
  1. a part cut off or separated from the main body of something
  2. a part or subdivision of a piece of writing, book, etc: the sports section of the newspaper
  3. one of several component parts
  4. a distinct part or subdivision of a country, community, etc
  5. US Canadian an area one mile square (640 acres) in a public survey, esp in the western parts of the US and Canada
  6. NZ a plot of land for building on, esp in a suburban area
  7. the section of a railway track that is maintained by a single crew or is controlled by a particular signal box
  8. the act or process of cutting or separating by cutting
  9. a representation of a portion of a building or object exposed when cut by an imaginary vertical plane so as to show its construction and interior
  10. a plane surface formed by cutting through a solid
  11. a thin slice of biological tissue, mineral, etc, prepared for examination by a microscope
  12. a segment of an orange or other citrus fruit
  13. a small military formation, typically comprising two or more squads or aircraft
  14. Austral NZ a fare stage on a bus, tram, etc
  15. an extended division of a composition or movement that forms a coherent part of the structure: the development section
  16. a division in an orchestra, band, etc, containing instruments belonging to the same class: the brass section

  17. Also called: signature, gathering, gather, quire a folded printing sheet or sheets ready for gathering and binding
vb (transitive)
  1. to cut or divide into sections
  2. to cut through so as to reveal a section
  3. (in drawing, esp mechanical drawing) to shade so as to indicate sections
  4. Brit to have (a mentally disturbed person) confined in a mental hospital under an appropriate section of the mental health legislation
Etymology: 16th Century: from Latin sectiō, from secāre to cut

'section' also found in these entries:
Collocations: section off the [area, room, crime scene], the [first, initial, second, third, last, final] section, section the [sample, tissue], more...

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