What is the meaning of Sup?

supremum

To sip; to take a small amount of food or drink into the mouth, especially with a spoon.

A sip; a small amount of food or drink.

To eat supper.

what's up (either as a greeting or actual question)

Being or relating to the squark that is the superpartner of an up quark.

Superintendent.

Supremum, upper limit.

Supplement.

A supervision.

shoulder

vulture

soup, any of various dishes commonly made by combining liquids, such as water or stock with other ingredients, such as meat and vegetables, that contribute flavor and texture.

stand up paddleboard

vulture (bird)

water

soup

vulture

vulture

(a (complete) drinking of) a drink of hard liquor, a drink

(a (complete) drinking of) a small amount of hard liquor, typically aquavit or another clear liquor, served in a small glass

a gulp or small quantity of liquid

imperative of supa

imperative of supa

soup

soup

Source: wiktionary.org