runner

Definition
(noun) someone who imports or exports without paying duties Definition
(noun) someone who travels on foot by running Definition
(noun) a person who is employed to deliver messages or documents Definition
(noun) a baseball player on the team at bat who is on base (or attempting to reach a base) Definition
(noun) a horizontal branch from the base of plant that produces new plants from buds at its tips Definition
(noun) a trained athlete who competes in foot races Definition
(noun) (football) the player who is carrying (and trying to advance) the ball on an offensive play Definition
(noun) a long narrow carpet Definition
(noun) device consisting of the parts on which something can slide along Definition
(noun) fish of western Atlantic: Cape Cod to Brazil