sea coast COAST CoastalRegion ENVO ENVO:00000303 EcoLexicon:coast EcoLexicon:sea_coast FTT:500 Geonames:L.CST Littoral SPIRE:Coastal SPIRE:Littoral SWEETRealm:CoastalRegion TGN:21483 The general region of indefinite width that extends from the sea inland to the first major change in terrain features. Wikipedia:Coast coast coast line coastal area coastal plain coastline rivage sea coast coast