black widow

noun

Definition of black widow

  1. :  a venomous New World spider (Latrodectus mactans of the family Theridiidae) the female of which is black with an hourglass-shaped red mark on the underside of the abdomen; broadly :  any of various related venomous spiders that have a large globular, usually glossy, dark abdomen often marked with red and long and wiry legs

Illustration of black widow

1830

First Known Use of black widow

1830


BLACK WIDOW Defined for English Language Learners

black widow

noun

Definition of black widow for English Language Learners

  • : a poisonous American spider


BLACK WIDOW Defined for Kids

black widow

noun

Definition of black widow for Students

  1. :  a poisonous spider the female of which is black with a red mark shaped like an hourglass on the underside of the abdomen


Medical Dictionary

black widow

play
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; broadly :  any other spider of the genus Latrodectus


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