Cup-like structure at the base of fruits, formed by the dry, enlarged floral envelope.
Part shaped like a small inverted cup (e.g., cupula pleurae, roof of the pleural cavity).
A small dome-shaped structure consisting of sensory hairs embedded in gelatinous material, forming part of a crista in the ampullae of the semicircular canals of the ear.
The little dome at the apex of the cochlea and spiral canal of the ear.