I. (ˌ)trī-ˈkəs-pəd adjective
Etymology: Latin tricuspid-, tricuspis, from tri- + cuspid-, cuspis point
Date: 1834
: having three cusps
a tricuspid molar
II. noun
Date: 1856
: a tricuspid anatomical structure ; especially : a tooth having three cusps
I. (ˌ)trī-ˈkəs-pəd adjective
Etymology: Latin tricuspid-, tricuspis, from tri- + cuspid-, cuspis point
Date: 1834
: having three cusps
a tricuspid molar
II. noun
Date: 1856
: a tricuspid anatomical structure ; especially : a tooth having three cusps
Merriam-Webster's Collegiate English vocabulary. Энциклопедический словарь английского языка Merriam Webster. 2003