dry land is a noun meaning "the solid part of the earth's surface". It carries one recorded sense.
the solid part of the earth's surface
“the plane turned away from the sea and moved back over land”
“the earth shook for several minutes”
“he dropped the logs on the ground”
Definitions, synonyms and semantic relations for dry land come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.