black widow

noun

Definition of black widow

: 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

Illustration of black widow

First Known Use of black widow

1830, in the meaning defined above

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The first known use of black widow was in 1830

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More Definitions for black widow

black widow

noun

English Language Learners Definition of black widow

: a poisonous American spider

black widow

noun

Kids Definition of black widow

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

black widow

noun
black wid·​ow | \ -ˈwid-ˌō How to pronounce black widow (audio) \

Medical 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 broadly : any other spider of the genus Latrodectus

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