1. 
[syn: antiballistic missile, ABM]
WordNet (r) 3.0 (2006):
ABM
    n 1: a defensive missile designed to shoot down incoming
         intercontinental ballistic missiles; "the Strategic Arms
         Limitation Talks placed limits on the deployment of ABMs"
         [syn: antiballistic missile, ABM]
V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):
ABM
       Asynchronous Balanced Mode
The Free On-line Dictionary of Computing (30 December 2018):
Asynchronous Balanced Mode
ABM
    A communication mode of HDLC and derivative
   protocols, supporting peer-oriented point-to-point
   communications between two nodes, where either node can
   initiate transmission.
   (1997-05-07)