oceann.

Etymology: < Anglo-Norman and Old French occean vast continuous body of salt water covering the greater part of the earth's surface (early 12th cent. in Anglo-Norman, late 12th cent. in Old French; reborrowed in the 16th cent. as Middle French, French océan (1549 in this sense, 1594 in sense ‘an immense or boundless expanse of something’)) < classical Latin Ōceanus the ocean, especially the Atlantic ocean, also personified (see below), a particular ocean or sea, a vast expanse of something < ancient Greek Ὠκεανός, originally the great stream or river (compare ῥόος Ὠκεανοῖο, ποταμός Ὠκεανός, in Homer) supposed to encompass the disc of the earth, and personified as a deity, the son of Uranus and Gaia, husband of Tethys, and father of the river gods and nymphs; hence, the great outer sea, as opposed to the Mediterranean; in Byzantine Greek also a vast expanse or very great quantity; of unknown origin.In collocations at sense 1a after classical Latin mare ōceanus (Tacitus Historiae 4. 12, with the two nouns in apposition), mare ōceanum (Ampelius Liber Memorialis 1. 2, where ōceanum may represent an adjective qualifying mare sea: see mare n.⁴), and also Old French mer oceane (1267; also mer ocianne (c1305)), Anglo-Norman mer occian (beginning of the 14th cent.), Middle French mer occeane (1538), occeanne mer (15th cent.), where oceane , etc., represent a feminine adjective qualifying mer sea (see mere n.¹). In this context ocean may sometimes have been apprehended as an adjective in English. With north ocean (see sense 2) compare classical Latin septentriōnālis ōceanus, Hellenistic Greek Ὠκεανός ὁ βόρειος. With east ocean compare post-classical Latin orientalis oceanus (early 5th cent.). With west ocean compare classical Latin occidēns ōceanus, post-classical Latin occidentalis oceanus (early 5th cent.), Hellenistic Greek Ὠκεανός ὁ ἑσπέριος. With British ocean compare classical Latin Britannicus ōceanus; with German ocean compare Hellenistic Greek Ὠκεανός Γερμανικός; with Spanish ocean compare classical Latin Hispāniēnsis ōceanus.