rug

rug /ˈrʌg/ noun
plural rugs
rug
/ˈrʌg/
noun
plural rugs
Britannica Dictionary definition of RUG
[count]
1 
: a piece of thick, heavy material that is used to cover usually a section of a floor — see picture at living room; see also prayer rug, throw rug
2 
chiefly US, informal : a small wig that is usually worn by a man to cover a bald spot : toupee
3 
British : a blanket that you put over your lap and legs to keep them warm

cut a rug

— see 1cut

pull the rug (out) from under

informal
: to very suddenly take something needed or expected from (someone or something)

sweep (something) under the rug

— see 1sweep