noun which may take the genitive case particle 'no'
cupular; domed; dome-shaped
Technical term used in anatomy, architecture, and botany to describe a dome-like or cup-like shape. Often appears in compound nouns.
The cupular structure of the inner ear is involved in hearing.
The flower of this plant has a dome-shaped form.
Compound of 円蓋 (dome, cupola) + 状 (shape, form). The exact historical derivation is uncertain; the spelling is conventionally associated with the meaning.