antrum
[ an-truh m ]
/ ˈæn trəm /
noun, plural an·tra [an-truh] /ˈæn trə/. Anatomy.
a cavity in a body organ, especially a bone.
QUIZZES
CAN YOU FEEL THE WEAL WITH THIS WORD OF THE DAY QUIZ?
Did you collect all of last week’s words, but eftsoons forget what they mean? Don’t worry, we’re here to jog your memory. See how many words from the week of May 18 to 24 you can get right!
Question 1 of 7
weal
Origin of antrum
1720–30; < Latin < Greek ántron cave
OTHER WORDS FROM antrum
an·tral, 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
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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.