1. Venomous New World spider; the female is black with an hourglass-shaped red mark on the underside of the abdomen
   - Latrodectus mactans

Derived forms: black widows

Type of: spider

Part of: genus Latrodectus, Latrodectus

Encyclopedia: Black widow

• mouse-eared
• mouse-eared bat
• mouse-sized
• mouse-tooth forceps
• mousehole tree
• mouselike
• mousepad
• mouser
• mousetrap
• mousey
• moussaka
• mousse
• mousseline de sole
• Moussorgsky
• moustache
• moustache cup
• moustachio
• mousy
• mouth
• mouth bow
• mouth harp
• mouth hole
• mouth off
• mouth organ
• mouth-to-mouth