body_of_water has definitions from the field of geography
1
[ noun ] (geography) the part of the earth's surface covered with water (such as a river or lake or ocean)

Synonyms

water

Examples

"they invaded our territorial waters" "they were sitting by the water's edge"

Used in print

(Richard I. McCosh, "Recreation Site Selection"...)

A body_of_water is usually the center of interest at parks which attract the greatest picnic and camping use .

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