1. An ugly evil-looking old woman
   "a toothless old hag";
   - beldam [archaic], beldame [archaic], witch [informal], crone
    
2. Eel-like cyclostome having a tongue with horny teeth in a round mouth surrounded by eight tentacles; feeds on dead or trapped fishes by boring into their bodies
   "The hag was found feeding on a dead cod";
   - hagfish, slime eels

Derived forms: hags

Type of: agnathan, jawless fish, jawless vertebrate, old woman

Part of: family Myxinidae, Myxinidae

Encyclopedia: Hag