| 1. | Military. to spread out (troops) so as to form an extended front or line. |
| 2. | to arrange in a position of readiness, or to move strategically or appropriately: to deploy a battery of new missiles. |
| 3. | to spread out strategically or in an extended front or line. |
| 4. | to come into a position ready for use: the plane can't land unless the landing gear deploys. |