The Collaborative International Dictionary of English v.0.48:

Transmit \Trans*mit"\, v. t. [imp. & p. p. Transmitted; p. pr.
   & vb. n. Transmitting.] [L. transmittere, transmissum;
   trans across, over + mittere to send: cf. F. transmettre. See
   Missile.]
   1. To cause to pass over or through; to communicate by
      sending; to send from one person or place to another; to
      pass on or down as by inheritance; as, to transmit a
      memorial; to transmit dispatches; to transmit money, or
      bills of exchange, from one country to another.
      [1913 Webster]

            The ancientest fathers must be next removed, as
            Clement of Alexandria, and that Eusebian book of
            evangelic preparation, transmitting our ears through
            a hoard of heathenish obscenities to receive the
            gospel.                               --Milton.
      [1913 Webster]

            The scepter of that kingdom continued to be
            transmitted in the dynasty of Castile. --Prescott.
      [1913 Webster]

   2. To suffer to pass through; as, glass transmits light;
      metals transmit, or conduct, electricity.
      [1913 Webster]

WordNet (r) 3.0 (2006):

transmit
    v 1: transfer to another; "communicate a disease" [syn:
         convey, transmit, communicate]
    2: transmit or serve as the medium for transmission; "Sound
       carries well over water"; "The airwaves carry the sound";
       "Many metals conduct heat" [syn: impart, conduct,
       transmit, convey, carry, channel]
    3: broadcast over the airwaves, as in radio or television; "We
       cannot air this X-rated song" [syn: air, send,
       broadcast, beam, transmit]
    4: send from one person or place to another; "transmit a
       message" [syn: transmit, transfer, transport,
       channel, channelize, channelise]

Moby Thesaurus II by Grady Ward, 1.0:

139 Moby Thesaurus words for "transmit":
   abalienate, add a codicil, address, air-express, airfreight,
   airmail, alien, alienate, amortize, assign, barter, beam, bequeath,
   break, broadcast, cable, carry, carry over, cede, channel,
   communicate, conduct, confer, consign, convey, deed, deed over,
   deliver, demise, deport, devise, devolve upon, diffuse, direct,
   dispatch, disseminate, drop a letter, embark, enfeoff, entail,
   exchange, execute a will, expedite, expel, export, express,
   extradite, fax, forward, freight, funnel, get across, get over,
   give, give title to, give word, go through, hand, hand down,
   hand forward, hand on, hand over, impart, import, instill, jam,
   leave, leave word, mail, make a bequest, make a will, make known,
   make over, metastasize, metathesize, negotiate, newscast, pass,
   pass along, pass on, pass over, pass the buck, pass through,
   perfuse, phone, pipe, post, put, radiate, radio, radiobroadcast,
   relay, remit, render, report, route, sell, send, send away,
   send forth, send off, send word, settle, settle on, share,
   share with, ship, shortwave, sign away, sign off, sign on,
   sign over, signal, siphon, sportscast, spread, surrender, switch,
   telegraph, telephone, telex, tell, trade, traject, transfer,
   transfer property, transfuse, translate, translocate, transplace,
   transplant, transport, transpose, turn over, will,
   will and bequeath, will to, wire, wireless