Cucumber tree Meaning, Definition & Usage

  1. noun American deciduous magnolia having large leaves and fruit like a small cucumber
    Magnolia acuminata.

WordNet

Definitions
  1. .(a) A large ornamental or shade tree of the genus Magnolia (M. acuminata), so called from a slight resemblance of its young fruit to a small cucumber. (b) An East Indian plant (Averrhoa Bilimbi) which produces the fruit known as bilimbi.

Webster 1913