noun
: either of two essential oils from sage:
a. : the yellowish or greenish yellow oil with a penetrating odor of sage obtained from the leaves of the common sage ( Salvia officinalis ) and used chiefly in flavoring
b. : the pale yellow oil with an odor like that of ambergris obtained from the flowers of clary ( Salvia sclarea ) and used chiefly in perfumery — called also clary sage oil