HyperDic: oil_beetle

English > 1 sense of the expression *oil beetle*:
NOUN	animal	oil beetle	any of various beetles that exude an oily substance from the leg joints that deters enemies

English > *oil beetle*: 1 sense > noun 1, animal
Meaning	Any of various beetles that exude an oily substance from the leg joints that deters enemies.
Broader	blister beetle, meloid	beetle that produces a secretion that blisters the skin