Word Study
    
                                	signalization |
                                	signalize |
                                	signalizing |
                                	signaller |
                                	signally |
                                signalman
                                	| signalment 
                                	| signals intelligence 
                                	| signate 
                                	| signation 
                                	| signatory 
                            
        signalman
WORDNET DICTIONARY
Noun signalman has 1 sense
CIDE DICTIONARY
signalman, n. 
                                            
                                         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.                                                                                 [1913 Webster]                                                                                                                    
                                                                                    OXFORD DICTIONARY
signalman, n.  (pl.  -men)
1 a railway employee responsible for operating signals and points.
2 a person who displays or receives naval etc. signals.
                    1 a railway employee responsible for operating signals and points.
2 a person who displays or receives naval etc. signals.
            For further exploring for "signalman" in Webster Dictionary Online
        

