cavity

nounfeminine/kɐ.vi.ˈda.dɨ/medium

ca·vi·da·de

Definition

A hollow space or hole within a solid object or surface.

The dentist filled a cavity in my molar.

Birds often nest in cavities in trees.

syn

ant

Common collocations

oral cavitychest cavitynasal cavity

Do latim 'cavitas', '-atis', de 'cavus' (oco).