Dictionary entry

Exsert

Webster's Dictionary 1913

{ Ex‐sert″ (?), 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.