n. pl. dom·i·noes or dom·i·nos 1. a. A costume consisting of a hooded robe worn with an eye mask at a masquerade. b. The mask so worn. 2. One wearing this costume. [French, probably from Latin (benedīcāmus) dominō, (let us praise) the Lord, dative of dominus, lord; see dem- in the Appendix of Indo-European roots.] |
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