Word Study
exsert
CIDE DICTIONARY
exsert, a. [L. exsertus, p. p. of exserere to stretch out or forth. See Exert.].
Standing out; projecting beyond some other part; as, exsert stamens. [1913 Webster]
"A small portion of the basal edge of the shell exserted." [1913 Webster]
For further exploring for "exsert" in Webster Dictionary Online