sip 
/ˈsɪp/ verb
sips; sipped; sip·ping /ˈsɪp/ verb : to drink (a liquid) slowly by taking only small amounts into your mouth [+ obj] ▪ She sipped her coffee while she watched the sun rise. [no obj] ▪ He sipped on the bottle of water. — sometimes + at ▪ He sipped at his wine.
— sip noun, plural sips [count]
▪ Have/take a sip of water.
▪ Have/take a sip of water.
