- having three valves, as a shell.
- a trivalve shell.
Origin of trivalve
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for 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