Exsert \Ex*sert"\, v. t. [imp. & p. p. {Exserted}; p. pr. & vb. n. {Exserting}.] [See {Exsert}, a., {Exert}.] To thrust out; to protrude; as, some worms are said to exsert the proboscis. Exsert \Ex*sert"\, Exserted \Ex*sert"ed\, a. [L. exsertus, p. p. of exserere to stretch out or forth. See {Exert}.] Standing out; projecting beyond some other part; as, exsert stamens. A small portion of the basal edge of the shell exserted. --D. H. Barnes.