Definition of white ironwood in US English:

white ironwood

noun

  • Either of two small evergreen trees, Hypelate trifoliata (family Sapindaceae) of the Caribbean, which has small white flowers, and Vespris lanceolata (family Rutaceae), of South Africa.

Origin

Early 19th century; earliest use found in John Pinkerton (1758–1826), historian and poet.