Definition of helleborine
- a mainly woodland orchid occurring chiefly in north temperate regions. See also false helleborine.
- Two genera in the family Orchidaceae: Epipactis (with greenish or reddish flowers that are sometimes self-fertilized) and Cephalanthera (with larger white or pink flowers)
late 16th century: French or Latin, from Greek helleborinē, a plant like hellebore, from helleboros 'hellebore'