bor·bo·ryg·mus  (bôr′bə-rĭg′məs)
n. pl. bor·bo·ryg·mi (-mī′)
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A rumbling noise produced by the movement of gas through the intestines.

[New Latin, from Greek borborugmos, of imitative origin.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
borborygmus (ˌbɔːbəˈrɪɡməs)
n, pl -mi (-maɪ)
(Physiology) rumbling of the stomach
[C18: from Greek]
ˌborboˈrygmal, ˌborboˈrygmic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
bor•bo•ryg•mus (ˌbɔr bəˈrɪg məs)

n., pl. -mi (-mī).
intestinal rumbling caused by the movement of gas.
[1710–20; < New Latin < Greek borborygmós]
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