Webster’s Revised Unabridged Dictionary · 1913
Trivalve
Tri′valve (trī′vălv), n. [Pref. tri- + valve.] Anything having three valves, especially a shell.
Webster’s Revised Unabridged Dictionary · 1913
Tri′valve (trī′vălv), n. [Pref. tri- + valve.] Anything having three valves, especially a shell.