combined operation is a noun meaning "a military operation carried out cooperatively by two or more allied nations or a military operation carried out by coordination of sea, land, and air forces". It carries one recorded sense.
a military operation carried out cooperatively by two or more allied nations or a military operation carried out by coordination of sea, land, and air forces
military
Definitions, synonyms and semantic relations for combined operation come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.