noun
: a machine consisting of pockets or bins with devices for removing book signatures placed in each bin, dropping them on a movable chain belt, and delivering the assembled books complete
noun
: a machine consisting of pockets or bins with devices for removing book signatures placed in each bin, dropping them on a movable chain belt, and delivering the assembled books complete
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012