muckworm

[ muhk-wurm ]
/ ˈmʌkˌwɜrm /

noun

(not in technical use) the larva of any of several insects, as the dung beetle, which lives in or beneath manure.
a miser.

Origin of muckworm

First recorded in 1590–1600; muck + worm
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for muckworm

muckworm

/ (ˈmʌkˌwɜːm) /

noun

any larva or worm that lives in mud
informal a miser
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