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black widow |
Also found in: Dictionary/thesaurus, Medical, Encyclopedia, Wikipedia | 0.06 sec. |
black widowNorth American spider Latrodectus mactans. The male is small and harmless, but the female is 1.3 cm/0.5 in long with a red patch below the abdomen and a powerful venomous bite. The bite causes pain and fever in human victims, but they usually recover. |
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Latrodectus mactans
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