The Collaborative International Dictionary of English v.0.48:

Intromit \In`tro*mit"\, v. i. (Scots Law)
   To intermeddle with the effects or goods of another.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Intromit \In`tro*mit"\, v. t. [imp. & p. p. Intromitted; p.
   pr. & vb. n. Intromitting.] [L. intromittere, intromissum;
   intro- within + mittere to send.]
   [1913 Webster]
   1. To send in or put in; to insert or introduce. --Greenhill.
      [1913 Webster]

   2. To allow to pass in; to admit.
      [1913 Webster]

            Glass in the window intromits light, without cold.
                                                  --Holder.
      [1913 Webster]

WordNet (r) 3.0 (2006):

intromit
    v 1: allow to enter; grant entry to; "We cannot admit non-
         members into our club building"; "This pipe admits air"
         [syn: admit, allow in, let in, intromit] [ant:
         refuse, reject, turn away, turn down]

Moby Thesaurus II by Grady Ward, 1.0:

24 Moby Thesaurus words for "intromit":
   admit, ease in, give an entree, immit, infuse, inject, inoculate,
   insert, insinuate, interject, introduce, let in, perfuse, pop in,
   put in, receive, set in, slip in, stick in, take in, throw in,
   throw open to, tuck in, whip in