1. (Zoology) either of a pair of sensory appendages that arise from the mouthparts of crustaceans and insects. 2. (Zoology) either of a pair of tactile organs arising from the head or anterior end of certain annelids and molluscs. [C19: from French, from Latin palpus a touching]
Convex, meaning curving out or extending outward (compare concave), may refer to: Convex set in mathematics Convex function in mathematics convex polygon a polygon in which no line segment between two points on the boundary ever goes outside the polygon.
1. curved or rounded outward like the outside of a circle or sphere. Compare concave (def. 1). 2. (of a polygon) having all interior angles less than or equal to 180Â°. 3. a convex surface, part, line, or thing. convexus = con-con - + -vexus, *wek-sos, derivative of base of vehere to carry, bring, if orig.