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evert

Pronunciation: /ɪˈvəːt/

Definition of evert

verb

[with object] Biology & Physiology

turn (a structure or organ) outwards or inside out: the brown hyena deposits chemicals by everting an anal pouch (as adjective everted)the characteristic facial appearance of full, often everted lips

Derivatives

eversible
eversion

Origin:

mid 16th century (in the sense 'upset, overthrow'): from Latin evertere, from e- (variant of ex-) 'out' + vertere 'to turn'. The current sense dates from the late 18th century