Sup

Definition:

(v. t.) To take into the mouth with the lips, as a liquid; to take or drink by a little at a time; to sip.
(n.) A small mouthful, as of liquor or broth; a little taken with the lips; a sip.
(v. i.) To eat the evening meal; to take supper.
(v. t.) To treat with supper.

Compare sup with other words:

sup vs. supping