Definition of rainbow

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  • rainbow is a valid Scrabble US word with a point value of 12
  • rainbow is a valid Scrabble UK word with a point value of 12
  • rainbow is a valid Words with friends word with a point value of 14

Definition of rainbow

  • an arc of colored light in the sky caused by refraction of the sun's rays by rain (noun)
  • an illusory hope (noun)

    Examples

    1. chasing rainbows

See definition of rainbow in Merriam Webster