| Noun | 1. | lanolin - a yellow viscous animal oil extracted from wool; a mixture of fatty acids and esters; used in some ointments and cosmetics ointment, salve, unguent, balm, unction - semisolid preparation (usually containing a medicine) applied externally as a remedy or for soothing an irritation animal oil - any oil obtained from animal substances |
| 2. | lanolin - an emollient containing wool fat (a fatty substance obtained from the wool of sheep) |