Definition of red lily in US English:

red lily

noun

  • 1Any of various kinds of lily (genus Lilium) with red flowers; especially the scarlet Turk's-cap lily, Lilium chalcedonicum, and (North American) the wood lily, Lilium philadelphicum.

  • 2A South American hippeastrum, Hippeastrum puniceum.

Origin

Mid 16th century; earliest use found in John Bellenden (c1495–a1548), poet and translator.