From Middle English North-see, from Old English norþsǣ (“northern sea, Bristol Channel, Baltic, North Sea”), equivalent to north + sea. Cognate with West Frisian Noardsee (“North Sea”), Dutch Noordzee, German Nordsee, Danish Nordsøen, Swedish Nordsjön, Icelandic Norðursjór.
- A marginal sea of the Atlantic Ocean between Britain (in the west), Scandinavia (in the east) and Germany, Netherlands, Belgium and France (in the south).
- (obsolete) German Ocean, German Sea
(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)
- The North Sea.