ădăgĭo, ōnis, f., a rare form for adagium: “
adagione : proverbio,” Gloss. Placid., Mai; Auct. ap. Varr. L. L. 7, § 31 Müll.; Aus. Monos. praef.
·noun A piece of music in adagio time; a slow movement; as, an adagio of Haydn. II. Adagio ·adj & ·...
Webster's Dictionary of the English Language