P0347500 (plā′nər)n. See water elm.[After Johann Jacob Planer (1743-1789), German botanist.]
pla′ner tree`
n. a small swamp elm, Planera aquatica, of the southern U.S., bearing a small, ovoid, nutlike fruit. [1800–10, Amer.; after I. J. Planer, 18th-century German botanist]