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.
having a surface that is curved or rounded outward. Compare concave (def 1). Mathematics. (of a polygon) having all interior angles less than or equal to 180Â°. (of a set) having the property that for each pair of points in the set the line joining the points is wholly contained in the set. a convex surface, part, or thing.