Definition of Natal lily in English:

Natal lily

noun

  • Any of various bulbous plants with showy flowers, especially the belladonna lily, Amaryllis belladonna, a clivia, Clivia miniata, and any of several crinums, all of the family Amaryllidaceae, and a wild gladiolus, Gladiolus natalensis.

Origin

Mid 19th century; earliest use found in Cape of Good Hope Almanac 1856.