/loh"sheuhn/ , n.
1. Pharm. a liquid, usually aqueous or sometimes alcoholic preparation containing insoluble material in the form of a suspension or emulsion, intended for external application without rubbing, in such skin conditions as itching, infection, allergy, pain, or the like.
2. a liquid cosmetic, usually containing agents for soothing or softening the skin, esp. that of the face or hands.
[ 1350-1400; ME locion lotion- (s. of lotio ) a washing. See LOTIC, -ION ]