helmet orchid is a noun meaning "any of numerous orchids of the genus Pterostylis having leaves in a basal rosette and green flowers often striped purple or brown or red with the dorsal sepal incurved to form a hood". It carries 2 recorded senses.
any of numerous orchids of the genus Pterostylis having leaves in a basal rosette and green flowers often striped purple or brown or red with the dorsal sepal incurved to form a hood
any of several orchids of the genus Coryanthes having racemes of a few musky-scented waxy flowers with a helmet-shaped lip process
Definitions, synonyms and semantic relations for helmet orchid come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.