Meaning

noun United States rhythm and blues pianist and singer and composer (born in 1928)

noun a loose hooded cloak worn with a half mask as part of a masquerade costume

noun a mask covering the upper part of the face but with holes for the eyes

origin1801, borrowed from French domino (1771), originally the term for a hooded garment, itself from Medieval Latin domino, oblique case of dominus (“lord, master”); compare Medieval Latin dominicale (“a kind of veil”). By surface analysis, di- + -omino.

Etymology from Wiktionary, CC BY-SA 3.0