lotion/ˈloʊʃən/EtymologyFrom Middle English locion, borrowed from Latin lōtiō, lōtiōnem (“a washing”), from lavō (“to wash”); see lave. Doublet of lavation.nounA low- to medium-viscosity topical preparation intended for application to unbroken skin.“sun-tan lotion”A washing, especially of the skin for the purpose of beautification.verbTo cover or treat with a lotion.“Grace lotions her arms and legs and joins him in the large walk-in closet where they change out of their clothes and into their pajamas—loose-fitting cotton bottoms for Mike and a lace-trimmed baby doll nightie for Grace.”