A note of currency worth one dollar.

A special one-day sale during which retail goods are offered for one dollar or at very reduced prices. / (slang, by extension) An occasion considered special or worth enjoying.

plural of dollar day

plural of dollar auction

(game theory) A non-zero-sum sequential game designed to illustrate a paradox brought about by traditional rational-choice theory in which players are compelled to make an ultimately irrational decision based entirely on a sequence of apparently rational choices made throughout the game. It involves an auction for a dollar bill where the second-highest bidder loses the amount that they bid, making them the biggest loser in the auction.

(historical) A Scottish silver coin under King James VI, worth two shillings and sixpence in English money of the time, and bearing a sword on the reverse.

plural of dollar van

(US) A share taxi.

A census-designated place in Placer County, California, United States.

(obsolete, colloquial) The pre-1873 American silver dollar.