A mixer of drinks.
1856. Who the hl ever heard of a mans coming to bed in the dark, and calling a bar-keeper a mixologist of tipicular fixins, unless he had gray eyes, razor-handled nose, short har, an a coon-colored vest?Knick. Mag., xlvii. 615 (June).
1870. The keeper of the White Pine Saloon [at Elko, Nev.] informs his patrons thatThe most delicate fancy drinks are compounded by skilful mixologists in a style that captivates the public and makes them happy.Rae, Westward by Rail, p. 201 (Lond.).