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tricuspidate

[trahy-kuhs-pi-deyt]

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adjective Anatomy.

having three cusps or flaps.

Origin of tricuspidate

First recorded in 1745–55; tricuspid + -ate¹

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for tricuspidate

Historical Examples of tricuspidate

Tricuspidate: ending in three points: with three cusps or teeth.
Explanation of Terms Used in Entomology
John. B. Smith
The lower premolar is tricuspidate and the first and second molars are quadritubercular with a broad cingulum.
Speciation in the Kangaroo Rat, Dipodomys ordii
Henry W. Setzer
The last molar is tricuspidate in the upper jaw; that of the lower jaw has five cusps.
The Cambridge Natural History, Vol X., Mammalia
Frank Evers Beddard