[self-pruh-peld, self-] 
| 1. | propelled by itself. |
| 2. | (of a vehicle) propelled by its own engine, motor, or the like, rather than drawn or pushed by a horse, locomotive, etc. |
| 3. | (of a gun or a rocket launcher) having a vehicle as a base. |
| self-propelling | |
adjective | |
| 1. | containing within itself the means of propulsion or movement; "a self-propelled vehicle" [syn: automotive] |
| 2. | moved forward by its own force or momentum; "a self-propelled egotist"; "the arms program is now self-propelled" [syn: self-propelled] |