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Definitions of once
  1. adverb
    on one occasion
    "once I ran into her"

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  2. adverb
    at a previous time
    "she was a dancer once"
Definition that contains once
  • water once thought to be one of four elements composing the universe (Empedocles)
  • fire once thought to be one of four elements composing the universe (Empedocles)
  • earth once thought to be one of four elements composing the universe (Empedocles)
  • air once thought to be one of four elements composing the universe (Empedocles)
  • moccasin flower once common rose pink woodland orchid of eastern North America
  • nerveroot once common rose pink woodland orchid of eastern North America
  • cypripedium acaule once common rose pink woodland orchid of eastern North America
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