Dictionary.com
Thesaurus.com

planer tree

American  
[pley-ner] / ˈpleɪ nər /

noun

  1. a small tree, Planera aquatica, of the elm family, growing in moist ground in the southern U.S., bearing a small, ovoid, nutlike fruit and yielding a compact light-brown wood.


Etymology

Origin of planer tree

1800–10, named after I. J. Planer, 18th-century German botanist