A Section

1. A cutting; a part cut out from the rest of something.
2. A part, piece, subdivision of anything.
   1. (music) A group of instruments in an orchestra.

The horn section is the group of symphonic musicians who play the French horn.

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.
   1. (surgery, colloquial) Short for Caesarean section.
7. (sciences) A thin slice of material prepared as a specimen for research.
8. (botany) A taxonomic rank below the genus (and subgenus if present), but above the species.
9. (zoology) An informal taxonomic rank below the order ranks and above the family ranks.
10. (military) A group of 10-15 soldiers led by a non-commissioned officer and forming part of a platoon.
11. (category theory) A right inverse.
12. (New Zealand) A piece of residential land; a plot.
13. (Canada) A one-mile square area of land, defined by a government survey.
14. (US, historical) Any of the squares, each containing 640 acres, into which the public lands of the United States were divided.
15. The symbol §, denoting a section of a document.
16. (geology) A sequence of rock layers.

Synonyms

• (botany, zoology): sectio

• cutting, slice, snippet
• division, part, slice, piece
• volume

Antonyms

• whole