antrum

noun
an·​trum | \ ˈan-trəm How to pronounce antrum (audio) \
plural antra\ -​trə How to pronounce antra (audio) \

Definition of antrum

: an anatomical cavity within a bone (such as the maxilla) or hollow organ (such as the stomach)

Other Words from antrum

antral \ -​trəl How to pronounce antral (audio) \ adjective

First Known Use of antrum

1684, in the meaning defined above

History and Etymology for antrum

Late Latin, from Latin, cave, from Greek antron; akin to Armenian ayr cave

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More Definitions for antrum

antrum

noun
an·​trum | \ ˈan-trəm How to pronounce antrum (audio) \
plural antra\ -​trə How to pronounce antra (audio) \

Medical Definition of antrum

: a cavity within a bone (as the maxilla) or hollow organ (as the stomach)