sea-launched ballistic missile

[ see-lawncht, -lahncht ]
/ ˈsiˌlɔntʃt, -ˌlɑntʃt /

noun

a ballistic missile designed for launch by a submarine or surface ship. Abbreviation: SLBM, S.L.B.M.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019