1.
a member of the armed forces who sends and receives signals
2.
a railroad employee who is in charge of operating signals
3.
a member of the army or navy whose job is to send and receive messages using signals
4.
someone whose job is to control railroad signals
1.
a member of the armed forces who sends and receives signals
2.
a railroad employee who is in charge of operating signals
3.
a member of the army or navy whose job is to send and receive messages using signals
4.
someone whose job is to control railroad signals