- a long, narrow arm of the sea bordered by steep cliffs: usually formed by glacial erosion.
- (in Scandinavia) a bay.
- (esp on the coast of Norway) a long narrow inlet of the sea between high steep cliffs formed by glacial action
1670s, from Norwegian fiord, from Old Norse fjörðr, from North Germanic *ferthuz, from PIE *prtus, from *per- “going, passage” (see port (n.1)).
- A long, narrow, deep inlet from the sea between steep slopes of a mountainous coast. Fjords usually occur where ocean water flows into valleys formed near the coast by glaciers.