Definition of "sheet"
sheet
/ʃiːt/
noun
plural sheets
A piece of paper, usually rectangular, that has been prepared for writing, artwork, drafting, wrapping, manufacture of packaging (boxes, envelopes, etc.), and for other uses. The word does not include scraps and irregular small pieces destined to be recycled, used for stuffing or cushioning or paper mache, etc. In modern books, each sheet of paper is typically folded in half, to produce two leaves and four pages. In the absence of folding, "leaf" and "sheet" are equivalent.
verb
third-person singular simple present sheets, present participle sheeting, simple past and past participle sheeted