ointment

noun Pharmacology.

1. a soft, unctuous preparation, often medicated, for application to the skin; unguent.

noun

1. a fatty or oily medicated formulation applied to the skin to heal or protect
2. a similar substance used as a cosmetic

n.late 13c., from Old French oignement “ointment, salve, unguent,” from Vulgar Latin *unguimentum, from Latin unguentum (see unguent). The first -t- emerged in Old French from oint, past participle of verb oindre “to anoint.” n.

1. A highly viscous or semisolid preparation usually containing medicinal substances and intended for external application.

see fly in the ointment.