What is "elagatis pinnulatus"

Runner \Run"ner\, n. [From Run.]

1. One who, or that which, runs; a racer.

2. A detective. [Slang, Eng.]
   --Dickens.

3. A messenger.
   --Swift.

4. A smuggler. [Colloq.]
   --R. North.

5. One employed to solicit patronage, as for a steamboat, hotel, shop, etc. [Cant, U.S.]

6. (Bot.) A slender trailing branch which takes root at the joints or end and there forms new plants, as in the strawberry and the common cinquefoil.

7. The rotating stone of a set of millstones.

8. (Naut.) A rope rove through a block and used to increase the mechanical power of a tackle.
   --Totten.

9. One of the pieces on which a sled or sleigh slides; also the part or blade of a skate which slides on the ice.

10. (Founding)

    1. A horizontal channel in a mold, through which the metal flows to the cavity formed by the pattern; also, the waste metal left in such a channel.

    2. A trough or channel for leading molten metal from a furnace to a ladle, mold, or pig bed.

11. The movable piece to which the ribs of an umbrella are attached.

12. (Zo["o]l.) A food fish ( Elagatis pinnulatus) of Florida and the West Indies; -- called also skipjack, shoemaker, and yellowtail. The name alludes to its rapid successive leaps from the water.

13. (Zo["o]l.) Any cursorial bird.

14. (Mech.)

    1. A movable slab or rubber used in grinding or polishing a surface of stone.

    2. A tool on which lenses are fastened in a group, for polishing or grinding.