Definition of occlusor in English:

occlusor

noun

Zoology
  • A muscle (or, rarely: other structure) that serves to close an opening or passage. Frequently attributive, especially in "occlusor muscle".

Origin

Mid 19th century. From classical Latin occlūs-, past participial stem of occlūdere occlude + -or.

Pronunciation

occlusor

/əˈkluːsə/