a small tree (Planera aquatica) of the elm family, with ovate leaves and a nutlike fruit, found in the SE U.S.
Origin of planer treeafter J. J. Planer, 18th-c. German botanist
See water elm.
Origin of planer treeAfter Johann Jacob Planer, (1743–1789), German botanist.
(plural planer trees)
Named after J. S. Planer, a German botanist.