Definition: One who, or that which, carries or conveys; a messenger.
Definition: One who is employed, or makes it his business, to carry
goods for others for hire; a porter; a teamster.
Definition: That which drives or carries; as: (a) A piece which
communicates to an object in a lathe the motion of the face plate; a
lathe dog. (b) A spool holder or bobbin holder in a braiding machine.
(c) A movable piece in magazine guns which transfers the cartridge to a
position from which it can be thrust into the barrel.
