Function: noun
Date: 1857
: a railroad employee who directs the movement of trains within a division and coordinates their movement from one division to another
Function: noun
Date: 1857
: a railroad employee who directs the movement of trains within a division and coordinates their movement from one division to another
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012