brown recluse spider
noun
a small, pale-brown, venomous North American spider, Loxosceles reclusa, distinguished by a violin-shaped marking near the head, found outdoors in rock niches or indoors in drawers or dark corners: its bite may cause deep skin ulcers that are occasionally fatal.
Origin of brown recluse spider
First recorded in 1960–65
Also called fiddleback spider, violin spider.
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019