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tes·ton(tĕs′tŏn′) also tes·toon (tĕ-sto͞on′)
1. A 16th-century French silver coin.
2. An English coin stamped with the image of Henry VIII's head. Also called tester3.
[French, from Italian testone, augmentative of testa, head, from Late Latin, skull, from Latin, shell.]
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