Look up cupule in Wiktionary, the free dictionary.
A cupule is a small structure shaped like a cup, including:
- In archeology, rock cupules are circular man-made hollows on the surface of a large rock or a rock slab
- On a smaller artifact they are called a cupstone.
- In botany: the base of an acorn, see calybium and cupule.
- In entomology, a sucker on the feet of some flies.