English Dictionary

Pioneers in dictionary publishing since 1819

acetabulum (ˌæsɪˈtæbjʊləm Pronunciation for acetabulum

Definitions

noun

(plural) -la  (-lə) 
  1. the deep cuplike cavity on the side of the hipbone that receives the head of the thighbone
  2. a round muscular sucker in flatworms, leeches, and cephalopod molluscs
  3. the aperture in the thorax of an insect that holds the leg

Word Origin

Latin: vinegar cup, hence a cuplike cavity, from acētum vinegar + -abulum, suffix denoting a container

Comments

Log in to comment on this word.