Home › Words › X › xenobotanyxenobotanyxenobotany · noun — the study of alien plants.Definition from Wiktionary (CC BY-SA 3.0).Among words judged in Lexicurio's Arena, xenobotany ranks #17,084 of 43,271 for Qualifying.EtymologyFrom xeno- + botany.nounThe study of alien plants.Definitions & examples from Wiktionary (CC BY-SA 3.0).