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ob·ol(ŏb′əl) also ob·o·lus (ŏb′ə-ləs)
n. pl. ob·ols also ob·o·li (-ə-lī′)
A silver coin or unit of weight equal to one sixth of a drachma, formerly used in ancient Greece.
[Latin obolus, from Greek obolos, variant of obelos, spit, skewer, obol (since the early Greek obol had the form of a long, slender rod like a spit for roasting).]
n, pl -li (-ˌlaɪ) or -ols
1. (Units) a modern Greek unit of weight equal to one tenth of a gram
2. (Currencies) a silver coin of ancient Greece worth one sixth of a drachma
[C16: via Latin from Greek obolos small coin, nail; related to obelos spit, variant of obelus]