Nouns

(n)dollarthe basic monetary unit in many countries; equal to 100 cents
(n)dollar, dollar bill, one dollar bill, buck, clama piece of paper money worth one dollar
(n)dollara United States coin worth one dollar“the dollar coin has never been popular in the United States”
(n)dollar, dollar mark, dollar signa symbol of commercialism or greed“he worships the almighty dollar”, “the dollar sign means little to him”