Take a sip is an expression used to describe the act of drinking a small amount of liquid. It can be used to refer to any type of beverage, from water to coffee to alcoholic drinks. The crossword solutions for this term are TASTE and DRINK. TASTE is a verb that means to sample something with the tongue in order to detect its flavor. DRINK is a verb that means to consume a liquid, usually through the mouth. Together, these two words accurately describe the action of taking a sip.