old maid Meaning, Definition & Usage

1. noun an elderly unmarried woman
   spinster.
   
2. noun any of various plants of the genus Zinnia cultivated for their variously and brightly colored flower heads
   old maid flower; zinnia.
   
3. 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.
   
4. noun the loser in a game of old maid
   
5. 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')
   

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