GRANDFATHER'S-BEARD Meaning of GRANDFATHER'S-BEARD in English | ̷ ̷ˌ ̷ ̷ ̷ ̷ˈ ̷ ̷ noun( plural grandfather's-beards ) : old-man's-beard 1,4 Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012