Meaning

noun the basic monetary unit in many countries; equal to 100 cents

noun a piece of paper money worth one dollar

noun a United States coin worth one dollar

originEtymology tree Proto-Germanic *dalą Proto-West Germanic *dal Old High German tal Middle High German tal German Tal German Talerder. Middle Low German dālerbor. Dutch dalerbor. English dollar Attested since the mid-16th century, from early Dutch daler, daalder, from German Taler, Thaler (“dollar”), earlier Joachimsthaler, literally “of Joachimstal”, the town where the original dollars were minted.…

Etymology from Wiktionary, CC BY-SA 3.0