| sheep sorrel or sheep's sorrel | |
| —n | |
| a polygonaceous plant, Rumex acetosella, of the N hemisphere, having slightly bitter-tasting leaves and small reddish flowers | |
| sheep's sorrel or sheep's sorrel | |
| —n | |
| the offspring of a zebra and a donkey. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |