n. 1. One who, or that which, carries or conveys; a messenger.
The air which is but . . . a carrier of the sounds.
2. One who is employed, or makes it his business, to carry goods
for others for hire; a porter; a teamster.
The roads are crowded with carriers, laden with rich manufactures.
3. (Mach.) 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. Carrier
(Zool.) a variety of the domestic pigeon used to convey letters
from a distant point to to its home.
(Zool.) a univalve shell of the genus Phorus; - so called because
it fastens bits of stones and broken shells to its own shell, to
such an extent as almost to conceal it.
(Law.) See under Common, a.