n. 1 the chief monetary unit in the US, Canada, and Australia. 2 the chief monetary unit of certain countries in the Pacific, West Indies, SE Asia, Africa, and S. America. dollar area the area in which currency is linked to the US dollar. dollar diplomacy diplomatic activity aimed at advancing a country's international influence by furthering its financial and commercial interests abroad. dollar gap the excess of a country's import trade with the dollar area over the corresponding export trade. dollar mark (or sign) the sign $, representing a dollar. dollar spot 1 a fungal disease of lawns etc. 2 a discoloured patch caused by this.
[ LG daler f. G Taler, short for Joachimstaler, a coin from the silver-mine of Joachimstal in Czechoslovakia ]