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Medical Dictionary

black widow

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noun black wid·ow \-ˈwid-ˌō\

Medical Definition of black widow

  1. :  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




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of, relating to, or suggestive of marble

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