amphibious demonstration is a noun meaning "an amphibious operation conducted for the purpose of deceiving the enemy and leading him into a course of action unfavorable to him". It carries one recorded sense.
an amphibious operation conducted for the purpose of deceiving the enemy and leading him into a course of action unfavorable to him
Definitions, synonyms and semantic relations for amphibious demonstration come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.