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}]
Asynchronous Balanced Mode ABM <protocol> 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)