Main Entry: 1sup
Pronunciation: 's&p
Function: verb
Inflected Form(s): supped; sup·ping
Etymology: Middle English suppen, from Old English supan, suppan; akin to Old High German sufan to drink, sip, Old English sopp sop
transitive senses : to take or drink in swallows or gulps
intransitive senses, chiefly dialect : to take food and especially liquid food into the mouth a little at a time

Main Entry: 2sup
Function: noun
: a mouthful especially of liquor or broth : SIP; also : a small quantity of liquid <pour me just a sup of tea>

Main Entry: 3sup
Function: intransitive verb
Inflected Form(s): supped; sup·ping
Etymology: Middle English soupen, suppen, from Old French souper, from soupe sop, soup -- more at SOUP
1 : to eat the evening meal
2 : to make one's supper -- used with on or off <sup on roast beef>