Definition of rayless in English:

rayless

adjective

  • 1literary Dark or gloomy.

    ‘the white, rayless light of morning’
  • 2Botany
    (of a flower) not having individual rays (florets) around the edge.

    ‘rayless goldenrod’
  • 3Zoology
    (of a fish's fin) lacking bony supports.

    ‘it has a small horny protuberance, or rayless and immovable fin’

Pronunciation

rayless

/ˈreɪləs/