SIP (2)
Source: 566, 567
sip (2). Sip, v.t. to drink a little at a time, to taste
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Sip, v. i. To drink a small quantity; to take a fluid with the lips; to take a sip or sips of something. raised it to her mouth with sober grace; Then, sipping, offered to the next in place. Dryden.