Medical Dictionary

black widow

noun black wid·ow \-ˈwid-ˌō\

Definition of BLACK WIDOW

:  a venomous New World spider of the genus Latrodectus (L. mactans) the female of which is black with an hourglass-shaped red mark on the underside of the abdomen
March 27, 2015
quiescent Hear it
Tranquilly at rest or causing no trouble
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