Mid 19th century; earliest use found in Asa Gray (1810–1888), botanist. After scientific Latin Habenaria, genus name from classical Latin habēna thong, rein.
Definition of rein orchis in US English:
rein orchis
noun
North American
= rein orchid.
Origin
Mid 19th century; earliest use found in Asa Gray (1810–1888), botanist. After scientific Latin Habenaria, genus name from classical Latin habēna thong, rein.