Any orchid of the South American genus Anguloa, the members of which have large, fragrant, usually white or yellow flowers with a small, movable lip which is almost concealed by the converging sepals and petals. Also (in form Anguloa): the genus itself.
Also called cradle orchid or tulip orchid.
Early 19th century; earliest use found in Abraham Rees (1743–1825), Presbyterian minister and encyclopaedist. From scientific Latin Anguloa, genus name from the name of Francisco de Angulo (d. 1815), Director General of Mines in Peru and amateur botanist + scientific Latin -a.