undĭsŏnus, a, um, adj. [unda-sono],
wave-sounding , sounding or roaring with the waves (poet.): rupes, Stat. Ach. 1, 198: saxum, Val. Fl. 4, 44: Psamathe, id. 1, 364: dei, i. e. sea-gods , Prop. 3 (4), 21, 18.
undisonus adj. unda+SON-, wave-sounding : dei, i. e. sea-gods , Pr. ...
An Elementary Latin Dictionary