Webster's Revised Unabridged Dictionary · 1913

Unguent

Unguent (?; 277) , noun

[Latin unguentum, from unguere, ungere, to anoint: compare French onguent. See Ointment, and compare Unction, Unctuous.]

A lubricant or salve for sores, burns, or the like; an ointment. — Cowper

An unguent is stiffer than a liniment, but softer than a cerate.