Definition of evert in English:


Syllabification: e·vert
Pronunciation: /iˈvərt


[with object] Biology & Physiology
Turn (a structure or organ) outward or inside out: (as adjective everted) the characteristic facial appearance of full, often everted lips
More example sentences
  • They feed by grasping the prey, then everting their stomach and secreting primary enzymes on the prey.
  • These nozzles could not be confused with ‘eversible gland openings,’ as described by Forsyth, or the obviously everted female spermatheca.
  • Most Asteroidea are predators or scavengers, everting their stomach (called a cardiac stomach), which secretes digestive enzymes on their prey.


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.



Pronunciation: /iˈversəbəl/
More example sentences
  • These pores are interpreted as having housed eversible vesicles.
  • Abdominal segments 1-6 have 1-2 pairs of eversible vesicles.
  • Phylum Nemertea contains about 1,150 species of unsegmented worms that possess an eversible proboscis contained in a fluid-filled cavity or rhynchocoel.


Pronunciation: /iˈvərZHən, -SHən/
More example sentences
  • The mechanism of injury is excessive dorsiflexion and eversion of the ankle joint with internal rotation of the tibia.
  • We hypothesized that eversion of a dorsiflexed ankle would be more likely to produce an LPT fracture than inversion of a dorsiflexed ankle.
  • In medial ankle sprains, the mechanism of injury is excessive eversion and dorsiflexion.

Definition of evert in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day retroflex
Pronunciation: ˈrɛtrə(ʊ)flɛks
turned backwards