Quaff (?), v. t. [imp. & p. p. Quaffed (?); p. pr. & vb. n. Quaffing.] [For quach, fr. Gael. & Ir. cuach a drinking cup; cf. L. caucus a drinking vessel. Cf. Quaigh.] To drink with relish; to drink copiously of; to swallow in large draughts. "Quaffed off the muscadel." Shak.

They eat, they drink, and in communion sweet
Quaff immortality and joy.

Quaff (?), v. i. To drink largely or luxuriously.

Twelve days the gods their solemn revels keep,
And quaff with blameless Ethiops in the deep.

• To drink or imbibe, especially with vigour.