trivalve

[trahy-valv]

adjective

having three valves, as a shell.

noun

a trivalve shell.

Origin of trivalve

First recorded in 1675–85; tri- + valve

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for trivalve

Historical Examples of trivalve

There is, however, an instrument similar to these trivalve instruments in the museum at Athens.
Surgical Instruments in Greek and Roman Times
John Stewart Milne