bunker buster | sense examples, Usage and Definition from wordnet dictionary online

Noun bunker buster has 1 sense

Bunker Buster, Guided Bomb Unit-28, GBU-28 - a 5,000 pound laser-guided bomb that can be programmed to penetrate to a given depth before exploding; used to penetrate hardened underground faccilities
--₁ is a kind of laser-guided bomb, LGB