definition of
runner

[1] #1 runner n. [smuggler, contrabandist, moon curser, moon-curser] someone who imports or exports without paying duties. wn

[2] #2 runner n. someone who travels on foot by running. wn

[3] #3 runner n. a person who is employed to deliver messages or documents; "he sent a runner over with the contract". wn

[4] #4 runner n. [base runner] a baseball player on the team at bat who is on base (or attempting to reach a base). wn

[5] #5 runner n. [stolon, offset] a horizontal branch from the base of plant that produces new plants from buds at its tips. wn