Any lake, stream, sea, river, or ocean composed of water.
“Lake Gusev was a lake on the human colony world of Eridanus II. The boy who would become...Lake Gusev
“The Csurdon Sea is a body of water in between the Sanghelios continents of Yermo and Qivro...Csurdon Sea
“The Big Horn River was a river which flowed through the Military Wilderness Training Preserve in...Big Horn River
“The Munin Sea is a body of water to the south of the Edda supercontinent on the Human colony...Munin Sea
“The Hugin Sea is a body of water to the north of the Edda supercontinent on the UEG colony world...Hugin Sea