Deucaledon Ocean

Meanings

proper nounthe Deucaledon Ocean

obsoleteA historical ocean which comprises roughly the northernmost parts of the Atlantic Ocean.
Southerne bounds towards England are the Rivers Tweede and Solwey, on the North is the Deucaledon Ocean, on the West the Irish, on the East the German, other parts the Ocean and the German Sea doe compasse.
Southbound towards England are the Rivers Tweed and Solway, on the North [of Britain] is the Deucaledon Ocean [translating Ōceanus Deucalēdonius], on the West the Irish, on the East the Germans, and the ocean and German Sea encompass other parts [of Britain].
1635, Gerhard Mercator, translated by W. S. generosus, & Coll. Regin. Oxoniæ., Historia mundi: or Mercator's atlas Containing his cosmographicall description of the fabricke and figure of the world.
2 more examples
The Parish of Reay in the shire of Cathness hath to the [North] the great Deucaledon Ocean, to the East the Parish of Thurso. To S. East parish of Haukrig to the south the parish of Kildonan in the shire of Sutherland. To the W. and N. West the parish of Far.
1726 June 29, Walter MacFarlane, “Description: Parish of Reay in Cathness”, in Arthur Mitchell, editor, Geographical Collections Relating to Scotland Made by Walter MacFarlane (Publications of the Scottish History Society), volume 1, number LI, Edinburg: Scottish History Society, published 29 April 1906, page 181
THIS Province calld in Latin Ultonia, in Iriſh Guilly; by the Welſh Ultwa, and by the Engliſh, Ulſter, is bounded on the Eaſt with the Iriſh Sea; on the Weſt with the Weſtern Ocean; on the North with the Deucaledon Ocean; on the South with the Province of Leinſter, and on the South-weſt with the Province of Connaught, being of a round form.
1748, [Guy] Miege, The Present State of Great Britain, and Ireland, 11 edition, London: J. Brotherton, G. Strahan, R. Ware, J. Clarke, C. Hitch, and J. Hodges, page 441