Canton ginger can·ton·gin·ger uncommon noun 1. tropical Asian plant widely cultivated for its pungent root; source of gingerroot and powdered ginger Synonymscommon gingerCanton gingerstem gingerZingiber officinale Related words Broader terms ginger Part of ginger WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.