| Keck 1. (v. i.) To heave or to retch, as in an effort to vomit. 2. (n.) An effort to vomit; queasiness. Thesaurus Entries barf, be nauseated, be seasick, be sick, bring up, choke on, chuck up, disgorge, egest, feed the fish, feel disgust, gag, heave, heave the gorge, puke, regurgitate, reject, retch, sick up, sicken at, spew, throw up, upchuck, vomit |