I. (ˈ)trī+ adjective
Etymology: New Latin tricuspid-, tricuspis, from Latin, having three points, from tri- + cuspid-, cuspis point
1. : having three cusps
2. : of, relating to, or involving the tricuspid valve of the heart
tricuspid disease
II. noun
: a tricuspid anatomical structure ; especially : a tooth having three cusps