Cynoglossum officinale cy·nog·los·sumofficinale uncommon noun 1. biennial shrub of Europe and western Asia having coarse tongue-shaped leaves and dark reddish-purple flowers Synonymshound's-tongueCynoglossum officinale Related words Broader terms herb Parts Cynoglossum WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
