laying claim is a noun meaning "the act of taking possession of or power over something". It carries one recorded sense.
the act of taking possession of or power over something
“his assumption of office coincided with the trouble in Cuba”
“the Nazi assumption of power in 1934”
“he acquired all the company's assets for ten million dollars and the assumption of the company's debts”
Definitions, synonyms and semantic relations for laying claim come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.