noun

1. a person, animal, or thing that runs; specif.,
   1. a racer
   2. ☆ Baseball base runner
   3. ☆ Football a player running with the ball
2. a person who runs errands, carries messages, etc., as for a bank or brokerage house
3. a smuggler
4. a person who operates or manages something, as a machine
5. 1. a long, narrow, decorative cloth for the top of a table, chest of drawers, etc.
   2. a long, narrow rug, as for a hall or corridor
6. a long ravel, as in hose; run
7. 1. a long, slender, horizontal trailing stem that puts out roots along or just below the ground at its tip or its nodes, thus producing new plants; stolon
   2. any plant that spreads in this way, as the strawberry
8. any of various twining plants the scarlet runner
9. something on or in which something else moves, as a sliding part in machinery or the support along which a sliding door moves
10. ☆ either of the long, narrow pieces of metal or wood on which a sled or sleigh slides
11. ☆ the blade of a skate
12. a ring, loop, etc. that can slide along a strap, rod, etc., often one to which another part or parts can be attached
13. Metallurgy a channel through which molten metal is poured into a mold; gate
14. Zool. any of various edible jack fishes of warm seas, as a bluish species (Caranx crysos) and a striped bluish species (Elagatis bipinnulata)

Etymology: ME renner