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)
(a) 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.
(b) 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.)
(a) A movable slab or rubber used in grinding or
polishing a surface of stone.
(b) A tool on which lenses are fastened in a group, for
polishing or grinding.
2. (Zo["o]l.)
(a) The threadfish.
(b) The runner, 12.