English

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Etymology

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From kitten +‎ -ing.

Noun

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kittening (usually uncountable, plural kittenings)

  1. The giving birth of kittens.
    • 1997, Diane Duane, The Book of Night With Moon:
      "If she's so terrific and powerful and all," said the predictable second voice, "why can't she make the kittening part grow back, and do something really useful with herself?"

Verb

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kittening

  1. present participle and gerund of kitten