fjord A long and narrow sea inlet with high steeply sloped walled sides. A fjord is a landform created during a period of glaciation. ENVO ENVO:00000039 EcoLexicon:fiord FTT:231 FTT:690 FTT:704 Fjord Geonames:H.FJD Geonames:H.FJDS SWEETRealm:Fiord SWEETRealm:Fjord TGN:21122 Wikipedia:Fjord fiord fjord fjords inlet loch coastal inlet