Meaning

noun a United States coin worth one tenth of a dollar

noun street name for a packet of illegal drugs that is sold for ten dollars

originFrom Middle English dime, from Anglo-Norman disme (“one tenth, tithe”) (modern French dîme), from Medieval Latin decima, from Latin decima (pars) (“tenth (part)”). Doublet of decim, decima, and decime.

Etymology from Wiktionary, CC BY-SA 3.0