1. A yellow viscous animal oil extracted from wool; a mixture of fatty acids and esters; used in some ointments and cosmetics
   "wool grease, derived from wool fat, is a common ingredient in moisturizers";
   - lanolin, wool fat

Derived forms: wool greases

Type of: animal oil

Part of: balm, ointment, salve, unction, unguent

Encyclopedia: Wool grease