I. ˈki-t ə n noun
Etymology: Middle English kitoun, from Anglo-French * kiton, chiton, diminutive of cat, chat cat, from Late Latin cattus
Date: 14th century
: a young cat ; also : an immature or young individual of various other small mammals
II. intransitive verb
( kit·tened ; kit·ten·ing ˈkit-niŋ, ˈki-t ə n-iŋ)
Date: 15th century
: to give birth to kittens