The Collaborative International Dictionary
Alcoholate \Al"co*hol*ate\, n. [Cf. F. alcolaie.] (Chem.)
A crystallizable compound of a salt with alcohol, in which
the latter plays a part analogous to that of water of
n. 1 (context obsolete chemistry English) A crystalline salt containing alcohol in place of water of crystallization. 2 An alcoholic extract of plant material; a tincture. 3 (context organic chemistry English) An alkoxide.
The second meaning of the word is that of a tincture, or alcoholic extract of plant material.