1any of the more or less distinct parts into which something is or may be divided or from which it is made up:I unscrewed every section of copper pipe, from the roof tank to the hot-water cylinder
a relatively distinct part of a book, newspaper, statute, or other document:the New York Times business sectionthis last section of the questionnaire relates solely to training
North American a measure of land, equal to one square mile.
chiefly North American a particular district of a town:a residential section of the capital
NZ a building plot.
2a distinct group within a larger body of people or things:the non-parliamentary section of the party
a group of players of a family of instruments within an orchestra:the brass section
[in names] a specified military unit:a GHQ Signals Section
a subdivision of an army platoon.
Biology a secondary taxonomic category, especially a subgenus.
3 [mass noun] the cutting of a solid by or along a plane.
the shape resulting from cutting a solid along a plane:nails of round section
[count noun] a representation of the internal structure of something as if it has been cut through vertically or horizontally:a section of face, showing the position of the organs of speech
[count noun] Surgery a separation by cutting.
[count noun] Biology a thin slice of plant or animal tissue prepared for microscopic examination.
ზმნა
Universal
1divide into sections:she began to section the grapefruit
(section something off) separate an area from a larger one:parts of the curved balcony had been sectioned off with wrought-iron grilles
Biology cut (animal or plant tissue) into thin slices for microscopic examination:the specimens were embedded and serially sectioned
Surgery divide by cutting:it is common veterinary practice to section the nerves to the hoof of a limping horse
2British commit (someone) compulsorily to a psychiatric hospital in accordance with a section of a mental health act:should she be sectioned and forced back into hospital?
sectionable
adjective
sectioned
adjective
[often in combination]:a square-sectioned iron peg