Bell-shaped or resembling a bell in form; used especially in botany and architecture to describe structures with that characteristic shape.
From Latin campana (bell) plus -ular (shaped like or resembling). This adjective was constructed to describe bell-shaped botanical and architectural features.
Botanists love the word campanular because flowers like bluebells and campanulas perfectly match this shape—the flower and its adjective descriptor have the same root, so campanula flowers are literally 'little bells'.
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