(historical) A coin used in the early history of Prince Edward Island and New South Wales, made by punching the middle out of a Spanish dollar; the punched-out middle part was used as a smaller coin called a dump.

(historical) A silver coin minted as a trade coin by various countries to facilitate trade with China and the Orient.

A coin worth one half of a dollar, typically 50 cents.

(now historical) A silver coin and money of account in use from the late-16ᵗʰ to the mid-19ᵗʰ centuries in the European Teutonic countries and their imperial trading networks.

(US and Canada) A retail store selling inexpensive items, especially one in which all items have a price of one dollar.

plural of dollar bill

(politics, US, Canada) The influence of money on politics and on government / (economics, US, Canada) The ability of consumers to influence the economy and business decisions by their spending

(historical) A Spanish-American peso or piece of eight issued by Charles III (1759–88) and Charles IV (1788–1808) of Spain.

(US) Americanized form of in for a penny, in for a pound.

(dated) Very secure and dependable. / (dated) Sturdy, well made.