Deploy

De‐ploy″ (?), v. t. & i. [imp. & p. p.Deployed (?); p. pr. & vb. n.Deploying.] [F. déployer; pref. dé� = dés (L. dis) + ployer, equiv. to plier to fold, fr. L. plicare. See Ply, and cf. Display.] (Mil.) To open out; to unfold; to spread out (a body of troops) in such a way that they shall display a wider front and less depth; — the reverse of ploy; as, to deploy a column of troops into line of battle.