a part of the sea or of a large lake, enclosed by a wide curve of the shore

shoreline indentation

the Greek letter D; land in this shape at the place where some rivers meet the sea and separate to make two or more branches

arm of the sea

fjord

shoreline indentation

(especially in Scotland) a river estuary or sea inlet

arm of the sea

a long area of water extending into the land from a larger body of water or between islands; an apparatus, place, for letting in water, gas etc

arm of the sea

(Scot) a lake

arm of the sea