oil beetle

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noun

any of several blister beetles of the genus Meloe that exude an oily fluid from the joints of their legs when disturbed.

Origin of oil beetle

First recorded in 1650–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for oil beetle

oil beetle


noun

any of various beetles of the family Meloidae that exude an oily evil-smelling blood from their joints, which deters enemies
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