n Something that is transmitted, such as a message, picture or a disease; the sending of such a thing.
n (automotive) An assembly of gears through which power is transmitted from the engine to the driveshaft in a motor car / automobile; a gearbox.
n (legal) The right possessed by an heir or legatee of transmitting to his successor(s) any inheritance, legacy, right, or privilege, to which he is entitled, even if he should die without enjoying or exercising it.