n. One who, or that which, picks, in any sense, - - as, one who uses a pick; one who gathers; a thief; a pick; a pickax; as, a cotton picker. (Mach.) A machine for picking fibrous materials to pieces so as to loosen and separate the fiber. (Weaving) The piece in a loom which strikes the end of the shuttle, and impels it through the warp. (Ordnance) A priming wire for cleaning the vent.