de ‧ ploy /dɪˈplɔɪ/ BrE AmE verb
[ Date: 1400-1500 ; Language: French ; Origin: déployer , from Latin displicare 'to scatter' ]
1 . [intransitive and transitive] to organize or move soldiers, military equipment etc so that they are in the right place and ready to be used
deploy forces/troops/weapons etc
NATO’s decision to deploy cruise missiles
2 . [transitive] formal to use something for a particular purpose, especially ideas, arguments etc:
a job in which a variety of professional skills will be deployed
—deployment noun [uncountable and countable]