Definitions

from The Century Dictionary.

  • Of or pertaining to night.
  • noun A night-gown or night-dress: originally a child's word.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun Alternative spelling of nightie.
  • noun childish Good night Abbreviation of nighty night..

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

night +‎ -y

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