KECK

Source: 566, 567

keck. Keck, v.i. to heave the stomach, to nauseate

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Keck (?), v. i. [imp. & p. p. Kecked (?); p. pr. & vb. n. Kecking.] [[Cf. dial. G. köcken, köken.]] To heave or to retch, as in an effort to vomit. Swift.