antrum
[ an-truhm ]
/ ˈæn trəm /
noun, plural an·tra [an-truh]. /ˈæn trə/. Anatomy.
a cavity in a body organ, especially a bone.
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Origin of antrum
1720–30; <Latin <Greek ántron cave
OTHER WORDS FROM antrum
antral, adjectiveWords nearby antrum
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for antrum
British Dictionary definitions for antrum
antrum
/ (ˈæntrəm) /
noun plural -tra (-trə)
anatomy a natural cavity, hollow, or sinus, esp in a bone
Derived forms of antrum
antral, adjectiveWord Origin for antrum
C14: from Latin: cave, from Greek antron
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Medical definitions for antrum
antrum
[ ăn′trəm ]
n. pl. an•tra (-trə)
A nearly closed cavity or chamber, especially in a bone.
The pyloric end of the stomach, partially shut off during digestion from the cardiac end by sphincter muscles in the stomach wall.
Other words from antrum
an′tral (-trəl) adj.The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.