Webster's Revised Unabridged Dictionary · 1913

Valvular

Valvular , adjective

[Compare French valvulaire.]

1.
(Medicine) Of or pertaining to a valve or valves; specifically (Medicine), of or pertaining to the valves of the heart; as, valvular disease.
2.
Containing valves; serving as a valve; opening by valves; valvate; as, a valvular capsule.