ˈ ̷ ̷ˌ ̷ ̷ noun
Etymology: back (III) + fall
1. obsolete : a descending appoggiatura in music
2. : the sloping surface in a beater or washing engine down which paper pulp passes on leaving the knives
ˈ ̷ ̷ˌ ̷ ̷ noun
Etymology: back (III) + fall
1. obsolete : a descending appoggiatura in music
2. : the sloping surface in a beater or washing engine down which paper pulp passes on leaving the knives
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012