"to thrust forth, protrude," 1660s, biologists' variant of exert (q.v.) based on the original Latin form. Also as an adjective, "projecting beyond the surrounding parts." Related: Exsertion.
the bee exserted its sting
expunge
expurgate
expurgation
exquisite
exsanguinate
exsert
exsiccate
exsiccation
extant
extemporaneous
extemporary