Definition of black widow in English:

black widow

Syllabification: black wid·ow
(also black widow spider)

noun

A highly venomous American spider that has a black body with red markings.
  • Latrodectus mactans, family Theridiidae; subspecies also occur on other continents
More example sentences
  • It's the female black widow spider that is venomous and displays a menacing red dot on her abdomen.
  • The agency advises anyone who comes into contact with a black widow against touching the spider or its web.
  • They casually remarked one morning that they'd seen a black widow spider in the tub and washed it down the drain.

Definition of black widow in:

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Word of the day flippant
Pronunciation: ˈflɪp(ə)nt
adjective
not showing a serious or respectful attitude