Originally, an alcoholate was the crystalline form of a salt in which alcohol took the place of water of crystallization, such as [SnCl<sub>3</sub>(OC<sub>2</sub>H<sub>5</sub>)·C<sub>2</sub>H<sub>5</sub>OH]2[1] and C8H6N4O5·CH3OH.[2] However this denomination should not be used anymore for the ending -ate often occurs in names for anions.
The second meaning of the word is that of a tincture, or alcoholic extract of plant material.
The third, and more usual meaning of the word is as a synonym for alkoxide— is the conjugate base of an alcohol.