4. pl. (Mining) Mud containing metallic ore, obtained in the preparatory dressing. --Pryce. 5. (Physiol.) A mucuslike substance which exudes from the bodies of certain animals. --Goldsmith. {Slime eel}. (Zo["o]l.) See 1st {Hag}, 4. {Slime pit}, a pit for the collection of slime or bitumen.