SIGNALMAN
Source: 567
Sig″nal‐man (?), n.; pl. -men (�). A man whose business is to manage or display signals; especially, one employed in setting the signals by which railroad trains are run or warned.
Source: 567
Sig″nal‐man (?), n.; pl. -men (�). A man whose business is to manage or display signals; especially, one employed in setting the signals by which railroad trains are run or warned.