Propel \Pro*pel"\, v. t. [imp. & p. p. {Propelled}; p. pr. & vb. n. {Propelling}.] [L. propellere, propulsum; pro forward + pellere to drive. See {Pulse} a beating.] To drive forward; to urge or press onward by force; to move, or cause to move; as, the wind or steam propels ships; balls are propelled by gunpowder. [1913 Webster]