| tick trefoil | |
| —n | |
| Also called: beggar-ticks any of various tropical and subtropical leguminous plants of the genus Desmodium, having trifoliate leaves, clusters of small purplish or white flowers, and sticky jointed seed pods, which separate into segments that cling to animals | |
| a fool or simpleton; ninny. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |