GNU Collaborative International Dictionary of English

last match results

Found one definition

1.       
   ‖Gradus , n. [From L. gradus ad Parnassum a step to Parnassus.] A dictionary of prosody, designed as an aid in writing Greek or Latin poetry.
   1913 Webster
   He set to work . . . without gradus or other help.
   T. Hughes.
   
   1913 Webster