cucumber tree definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
an American magnolia tree (Magnolia acuminata) with large, greenish flowers and fruit resembling a small cucumber
cucumber tree definition by American Heritage Dictionary
Any of certain magnolias, especially Magnolia acuminata, a deciduous tree of eastern North America, having greenish-yellow flowers and a cucumber-shaped aggregate fruit.