antiballistic missile is a noun meaning "a defensive missile designed to shoot down incoming intercontinental ballistic missiles". It carries one recorded sense.
a defensive missile designed to shoot down incoming intercontinental ballistic missiles
“the Strategic Arms Limitation Talks placed limits on the deployment of ABMs”
Definitions, synonyms and semantic relations for antiballistic missile come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.