Phalanx
WordNet
noun
(1) Any of the bones of the fingers or toes
(2) A body of troops in close array
(3) Any closely ranked crowd of people
WiktionaryText
Noun
Phalanx
- The brand name of a radar-controlled rapid fire 20mm Gatling-type machine gun, the Phalanx CIWS , deployed on U.S. Navy ships as a last line of defense against antiship cruise missiles.