LION'S-MOUTH Meaning of LION'S-MOUTH in English ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷ noun( plural lion's-mouths ) 1. : snapdragon2. : foxglove 13. : toadflax 1 Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012