antrum

[ an-truhm ]
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noun,plural an·tra [an-truh]. /ˈæn trə/. Anatomy.
  1. a cavity in a body organ, especially a bone.

Origin of antrum

1
1720–30; <Latin <Greek ántron cave

Other words from antrum

  • antral, adjective

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How to use antrum in a sentence

British Dictionary definitions for antrum

antrum

/ (ˈæntrəm) /


nounplural -tra (-trə)
  1. anatomy a natural cavity, hollow, or sinus, esp in a bone

Origin of antrum

1
C14: from Latin: cave, from Greek antron

Derived forms of antrum

  • antral, adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012