To drink little by little; take (a liquid) into the mouth in small quantities; imbibe a mouthful at a time.
To take in gradually by some process analogous to drinking; receive or obtain by sucking, inhaling, absorbing, or the like.
To drink from by sips.
To take a sip or sips.
noun.
The act of sipping, or drinking by small quantities, as a liquid.
noun.
A very small draught; a taste (of a liquid).
noun.
Drink; sup.