- Military. to spread out (troops) so as to form an extended front or line.
- to arrange in a position of readiness, or to move strategically or appropriately: to deploy a battery of new missiles.
- to spread out strategically or in an extended front or line.
- to come into a position ready for use: the plane can't land unless the landing gear deploys.
Origin of deploy
- to adopt or cause to adopt a battle formation, esp from a narrow front formation
- (tr) to redistribute (forces) to or within a given area
Word Origin and History for deployability
1786 as a military word, from French déployer "unroll, unfold," from Old French desploiier "unfold," from Latin displicare "unfold, scatter," from dis- (see dis-) + plicare "to fold" see ply (v.1)). "In its AFr. form regularly adopted in ME as desplay" [OED]. Related: Deployed; deploying.