Nouns denoting natural objects (not man-made)

glacial boulder
a boulder that has been carried by a glacier to a place far distant from its place of origin
a thin flat piece cut off of some object
a hole made in something
Hampton Roads
a channel in southeastern Virginia through which the Elizabeth River and the James River flow into Chesapeake Bay
a piece of turf dug out of a lawn or fairway (by an animals hooves or a golf club)
a long narrow range of hills
Lake Erie
the 4th largest of the Great Lakes; it is linked to the Hudson River by the New York State Barge Canal
the luminous center of a nuclear explosion
a mountain range in South America running 5000 miles along the Pacific coast
any long object resembling a thin line
Catskill Mountains
a range of the Appalachians to the west of the Hudson in southeastern New York; includes many popular resort areas
low-lying alluvial land near a river
Carlsbad Caverns
a group of caverns in southeastern New Mexico noted for their stalactites and stalagmites
direct transmission
a transmission mechanism in which the infectious agent is transferred directly into the body via touching or biting or kissing or sexual intercourse or by droplets entering the eye or nose or mouth
Cape Sable
a cape at the southwest tip of Florida; the southernmost part of the United States mainland
the water that is well below the surface but also well above the bottom
Cimarron River
a river that rises in northeastern New Mexico and flows eastward into Oklahoma where it becomes a tributary of the Arkansas River
the second largest continent; located to the south of Europe and bordered to the west by the South Atlantic and to the east by the Indian Ocean
river bottom
a channel occupied (or formerly occupied) by a river
a bend or curve, as in a stream or river
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