any 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 distinct group within a larger body of people or things
the non-parliamentary section of the party
the cutting of a solid by or along a plane
divide into sections
she began to section the grapefruit
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?