∙ A liquid obtained by cooking meat or vegetables (or both).
∙ Strong alcoholic drink derived from fermentation and distillation; more broadly, any alcoholic drink. chiefly US
∙ In process industry, a liquid in which a desired reaction takes place, e.g. pulping liquor is a mixture of chemicals and water which breaks wood into its components, thus facilitating the extraction of cellulose.
Verb
∙ To drink liquor, usually to excess. intransitive
∙ To cause someone to drink liquor, usually to excess. transitive