Definition of sheet
2 a (1)
: a usually rectangular piece of paper;
especially
: one manufactured for printing
(2)
: a rectangular piece of heavy paper with a plant specimen mounted on it
- an herbarium of 100,000 sheets
b
: a printed signature for a book especially before it has been folded, cut, or bound
—usually used in plural
c
: a newspaper, periodical, or occasional publication
- a gossip sheet
d
: the unseparated postage stamps printed by one impression of a plate on a single piece of paper;
also
: a pane of stamps
3
: a broad stretch or surface of something
- a sheet of ice
4
: a suspended or moving expanse (as of fire or rain)
5 a
: a portion of something that is thin in comparison to its length and breadth
b
: a flat baking pan of tinned metal
- a cookie sheet
6
: a surface or part of a surface in which it is possible to pass from any one point of it to any other without leaving the surface
- a hyperboloid of two sheets
