SHOULDER-OF-MUTTON SAIL Meaning of SHOULDER-OF-MUTTON SAIL in English ˈ ̷ ̷ ̷ ̷ ̷ ̷ˈ ̷ ̷ ̷ ̷- noun : leg-of-mutton sail Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012