or Deuna (anc. geog.), a town of the Cornavii in Britain. Now Chester, on the Dee. W. Long. 3. Lat. 53. 15.

DEUCALEDONIUS Oceanus, or (which comes nearer the original pronunciation) Ducaledonius, so called from Duab Gael, the northern Highlanders; the sea on the north-west of Scotland.