( v. t. )
To loose; to open; to take to piece; to unfasten; to untie; hence, to unravel; to solve; as, to undo a knot; to undo a puzzling question; to undo a riddle.
( v. t. )
To loose; to open; to take to piece; to unfasten; to untie; hence, to unravel; to solve; as, to undo a knot; to undo a puzzling question; to undo a riddle.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012