A cupule is a small structure shaped like a cup, including: * In archeology,

rock cupule Rock cupules () are artificially made depressions on rock surfaces that resemble the shape of an inverse spherical cap or dome. They were made by direct percussion with hand-held hammer-stones, on vertical, sloping or horizontal rock surfaces. C ...

s 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 Cupstones, also called anvil stones, pitted cobbles and nutting stones, among other names, are roughly discoidal or amorphous groundstone artifacts among the most common lithic remains of Native American culture, especially in the Midwestern U ...

. * In botany: the base of an acorn, see

calybium and cupule The calybium and the cupule make up the accessory fruit of flowering plants in the family Fagaceae. These two parts derive from different flower components. The cupule holds and protects the fruit during its growth and maturation. In some ...

. * In entomology, a

sucker Sucker may refer to: General use * Lollipop or sucker, a type of confection * Sucker (slang), a slang term for a very gullible person * Hard candy ** Cough drop ** Mint (candy) Biology * Sucker (botany), a term for a shoot that arises undergrou ...

on the feet of some flies.

See also