'Christ's-thorn' definitions:

Definition of 'Christ's-thorn'

(from WordNet)
noun
Thorny Eurasian shrub with dry woody winged fruit [syn: Christ's-thorn, Jerusalem thorn, Paliurus spina- christi]
noun
Spiny tree having dark red edible fruits [syn: jujube, jujube bush, Christ's-thorn, Jerusalem thorn, Ziziphus jujuba]

Definition of 'Christ's-thorn'

From: GCIDE
  • Christ's-thorn \Christ's-thorn`\, n. (Bot.) One of several prickly or thorny shrubs found in Palestine, especially the Paliurus aculeatus, {Zizyphus Spina-Christi}, and Zizyphus vulgaris. The last bears the fruit called jujube, and may be considered to have been the most readily obtainable for the Crown of Thorns. [1913 Webster]