Word Study
evaginate
CIDE DICTIONARY
evaginate, a. [L. evaginatus, p. p., unsheathed. See Evagination.].
Protruded, or grown out, as an evagination{2}; turned inside out; unsheathed; evaginated; as, an evaginate membrane. [Webster 1913 Suppl.]
evaginate, v. i. & t.
To become evaginate; to cause to be evaginate. [Webster 1913 Suppl.]
OXFORD DICTIONARY
evaginate, v.tr. Med. & Physiol. turn (a tubular organ) inside out.
Derivative
evagination n.
Etymology
L evaginare (as E-, vaginare as VAGINA)
For further exploring for "evaginate" in Webster Dictionary Online