Entry 2 senses · 2 variants Webster, 1913 Kitten /(kĭt"t'n)/ · Kit·ten · IPA /[kʰɪʔ.n̩]/ n. v. t. & i. 01 n. A young cat. 1. A young cat. 02 v. t. & i. To bring forth young, as a cat; to bring forth, as kittens. imp. & p. p. Kittened; p. pr. & vb. n. Kittening 1. To bring forth young, as a cat; to bring forth, as kittens.