The Collaborative International Dictionary of English v.0.48:

Blat \Blat\, v. i.
   To cry, as a calf or sheep; to bleat; to make a senseless
   noise; to talk inconsiderately. [Low]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Blat \Blat\, v. t.
   To utter inconsiderately. [Low]
   [1913 Webster]

         If I have anything on my mind, I have to blat it right
         out.                                     --W. D.
                                                  Howells.
   [1913 Webster]

WordNet (r) 3.0 (2006):

blat
    v 1: cry plaintively; "The lambs were bleating" [syn: bleat,
         blate, blat, baa]

The Free On-line Dictionary of Computing (19 January 2023):

blat

   1. blast.

   2. See thud.

   [Jargon File]


The Jargon File (version 4.4.7, 29 Dec 2003):

blat
 n.

    1. Syn. blast, sense 1.

    2. See thud.