Definition of "jujube"

The sweet and edible drupes (fruits) of several Mediterranean and African species of small trees.  examples

A fruit-bearing tree, Ziziphus jujuba or Ziziphus zizyphus.  examples

The fruit of this tree, fructus jujubae.  examples

A fruit-bearing tree, Ziziphus mauritiana.  examples

The fruit of this tree.  examples

(Canada, US) A type of candy; specific type varies by country.  examples