Grā'dus, n.
n. [Abbreviated from Lat. gradus ad Parnassum, a step to Parnassus.] A dictionary of prosody, designed as an aid in writing Greek or Latin poetry.
n. [Abbreviated from Lat. gradus ad Parnassum, a step to Parnassus.] A dictionary of prosody, designed as an aid in writing Greek or Latin poetry.