noun
(also ombu)
A large evergreen tree, Phytolacca dioica (family Phytolaccaceae), having a thick trunk with spreading buttresses at its base, native to South America and planted elsewhere as a shade tree. Also "ombú tree".
Origin
Mid 19th century; earliest use found in Charles Darwin (1809–1882), naturalist, geologist, and originator of the theory of natural selection. From American Spanish ombú from Guarani umbú.
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