MOTHER-OF-THYME Meaning of MOTHER-OF-THYME in English ˈ ̷ ̷ ̷ ̷ ̷ ̷ˈ ̷ ̷ noun( -s ) 1. : wild thyme2. : basil balm 2 Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012