/ dɪˈplɔɪ; NAmE / verb [ vn ]
1.
( technical ) to move soldiers or weapons into a position where they are ready for military action :
2000 troops were deployed in the area.
At least 5 000 missiles were deployed along the border.
2.
( formal ) to use sth effectively :
to deploy arguments / resources
► de·ploy·ment noun [ U , C ]
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WORD ORIGIN
late 18th cent.: from French déployer , from Latin displicare and late Latin deplicare unfold or explain, from dis- , de- un- + plicare to fold. Compare with display .