Meaning of “sheet” - Learner’s Dictionary

sheet

noun [ C ] uk us /ʃiːt/

B1 a large piece of cloth put on a bed to lie on or under:

a double fitted sheet
to change the sheets
a sheet of paper/glass/metal, etc

A2 a flat piece of paper/glass, etc:

a sheet of yellow paper
→ See also balance sheet

(Definition of “sheet” from the Cambridge Learner’s Dictionary © Cambridge University Press)