D defs.my
Entry 1 sense Webster, 1913

Lanolin

/(lăn"ō̇*lĭn)/ · Lan·o·lin · IPA /ˈlænəlɪn/
01 n. A peculiar fatlike body, made up of cholesterin and certain fatty acids, found in feathers, hair, wool, and keratin tissues generally.
  1. 1.
    A peculiar fatlike body, made up of cholesterin and certain fatty acids, found in feathers, hair, wool, and keratin tissues generally.(Physiol. Chem.)