GNU Collaborative International Dictionary of English

Found one definition

1.       
   Quarrellous (?), a. [OF. querelous, F. querelleux, L. querulosus and querulus, fr. queri to complain. See 2d Quarrel.] Quarrelsome. [Obs.] [Written also quarrellous.]  Shak.
   
   [1913 Webster]