{ Ven″tri‐cose′ (?), Ven″tri‐cous (?), } a. [NL. ventricosus, fr. L. venter belly.] (Nat. Hist.) Swelling out on one side or unequally; bellied; ventricular; as, a ventricose corolla.
Ventricose shell. (Zoöl.) (a) A spiral shell having the body whorls rounded or swollen in the middle. (b) A bivalve shell in which the valves are strongly convex.