antrum

[ an-truh m ]
/ ˈæn trəm /

noun, plural an·tra [an-truh] /ˈæn trə/. Anatomy.

a cavity in a body organ, especially a bone.

Origin of antrum

1720–30; < Latin < Greek ántron cave

OTHER WORDS FROM antrum

an·tral, adjective

Words nearby antrum

antroscope, antroscopy, antrostomy, antrotomy, antrotympanic, antrum, antrum of highmore, ants in one's pants, have, antseranana, antshrike, antsiranana

British Dictionary definitions for antral

antrum
/ (ˈæntrəm) /

noun plural -tra (-trə)

anatomy a natural cavity, hollow, or sinus, esp in a bone

Derived forms of antrum

antral, adjective

Word Origin for antrum

C14: from Latin: cave, from Greek antron

Medical definitions for antral

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.