meaning of carrier
1.  One who, or that which, carries or conveys; a messenger. 
2.  One who is employed, or makes it his business, to carry goods for others for hire; a porter; a teamster. 
3.  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. 
						 
Related Words
carrier | carrier scanner | carrier signal | carrierless amplitude/phase modulation |
