adj, noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A molar tooth that has three cusps

Adjective

1. 1
   Having three cusps, e.g. a molar tooth
2. 2
   Describing the valve, between the right atrium and ventricle of the heart, that has three triangular segments

Adjective

1. 1
   having three cusps or points (especially a molar tooth) wordnet

Synonyms

All synonyms

deltoidthree dimensionaltriangulartricuspidatetricuspidatetrident

Etymology

From tri- + cuspid.

Related phrases

tricuspid atrasiatricuspid insufficiencytricuspid murmurtricuspid valve

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.