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entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)

physical entity go
an entity that has physical existence

object, physical object go
a tangible and visible entity

formation, geological formation go
(geology) the geological features of the earth

elevation, natural elevation go
a raised or elevated geological formation

ridge
a long narrow natural elevation or striation

noun.object

7 Subcategories

bank go
a long ridge or pile
bar go
a submerged (or partly submerged) ridge in a river or along a shore
dune, sand dune go
a ridge of sand created by the wind
esker go
(geology) a long winding ridge of post glacial gravel and other sediment
shelf, ledge go
a projecting ridge on a mountain or submerged under water
reef go
a submerged ridge of rock or coral near the surface of the water
ripple mark go
one of a series of small ridges produced in sand by water currents or by wind