any of several bulbous African plants (genus Acidanthera) of the iris family, with cream-colored, long-tubed blossoms: they are often grown as potted ornamental plants
See acidanthera in American Heritage Dictionary 4
(ăsˌĭ-dănˈthər-ə)
noun
Any of several ornamental African plants of the genus Acidanthera, having fibrous corms, swordlike leaves, and large, fragrant flowers with straight tubes. Also called peacock orchid.