Definitions
1.nounOne who sinks something.
2.nounA weight used in fishing to cause the line or net to sink."Hook the sinker onto this loop."
3.nounAny of several high speed pitches that have a downward motion near the plate; a two-seam fastball, a split-finger fastball, or a forkball."His sinkers drew one ground ball after another."
4.nounSinker nail, used for framing in current construction.
5.nounA doughnut; a biscuit.
6.nounIn knitting machines, one of the thin plates, blades, or other devices, that depress the loops upon or between the needles.