| old maid | |
| —n | |
| 1. | a woman regarded as unlikely ever to marry; spinster |
| 2. | informal a prim, fastidious, or excessively cautious person |
| 3. | a card game using a pack from which one card has been removed, in which players try to avoid holding the unpaired card at the end of the game |
| old-'maidish | |
| —adj | |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |