Home › Words › J › juglansjuglansjuglans · noun — the walnut and similar trees of the genus Juglans.Definition from Wiktionary (CC BY-SA 3.0).EtymologyFrom Latin iūglāns (“walnut, walnut tree”).nounThe walnut and similar trees of the genus JuglansDefinitions & examples from Wiktionary (CC BY-SA 3.0).