Synset
a raised or elevated geological formation
<noun.object>
elevation
natural elevation
lexical pointers
antonym
natural depression
lexical pointers
derivationally related form
elevate
semantic pointers
hypernym
formation, geological formation
hyponym
highland, upland
hill
mountain, mount
headland, promontory, head, foreland
ridge
swell
part meronym
slope, incline, side