Meaning of the word "black widow" in English

What does "black widow" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

black widow

US /ˌblæk ˈwɪdoʊ/
UK /ˌblæk ˈwɪdoʊ/
"black widow" picture

Noun

1.

a venomous spider of the genus Latrodectus, especially L. mactans, found in warm regions, the female of which is black with an hourglass-shaped red mark on the underside of the abdomen.

Example:
The bite of a black widow spider can be dangerous.
She identified the spider as a black widow by its distinctive red hourglass mark.
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