Any of several Caribbean trees of the genus Zanthoxylum, with spiny stems and yellow wood; especially the yellow Hercules' club Z. caribaeum; the wood of any of these trees.
Origin
Mid 19th century.
Definition of prickly yellow in US English:
prickly yellow
noun
Caribbean
Any of several Caribbean trees of the genus Zanthoxylum, with spiny stems and yellow wood; especially the yellow Hercules' club Z. caribaeum; the wood of any of these trees.