Old maid Meaning, Definition & Usage

noun an elderly unmarried woman
spinster.
noun any of various plants of the genus Zinnia cultivated for their variously and brightly colored flower heads
old maid flower; zinnia.
noun commonly cultivated Old World woody herb having large pinkish to red flowers
cayenne jasmine; rose periwinkle; Madagascar periwinkle; periwinkle; red periwinkle; Cape periwinkle; Catharanthus roseus; Vinca rosea.
noun the loser in a game of old maid
noun a card game using a pack of cards from which one queen has been removed; players match cards and the player holding the unmatched queen at the end of the game is the loser (or `old maid')

. (a) A woman, somewhat advanced in years, who has never been married; a spinster . (b) (Bot.) A West Indian name for the pink-flowered periwinkle (Vinca rosea). (c) A simple game of cards, played by matching them. The person with whom the odd card is left is the old maid.