We found 1 definitions of latrodectus mactans from 1 different sources.
Noun |
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latrodectus mactans - venomous New World spider; the female is black with an hourglass-shaped red mark on the underside of the abdomen | ||
black widow, Latrodectus mactans | ||
spider predatory arachnid with eight legs, two poison fangs, two feelers, and usually two silk-spinning organs at the back end of the body; they spin silk to make cocoons for eggs or traps for prey |