Ventricose \Ven"tri*cose`\, Ventricous \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. (Zo["o]l.)
   (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.

Source: Webster's Revised Unabridged Dictionary (1913)