GNU Collaborative International Dictionary of English

Found one definition

1.       
   ‖Nom (?), n. [F. See Noun.] Name.
   
   [1913 Webster]
   
   Nom de guerre (), literally, war name; hence, a fictitious name, or one assumed for a time. -- Nom de plume (), literally, pen name; hence, a name assumed by an author as his or her signature.
   
   [1913 Webster]