Search Result for "esm": 
Wordnet 3.0

NOUN (1)

1. electronic warfare undertaken under direct control of an operational commander to locate sources of radiated electromagnetic energy for the purpose of immediate threat recognition;
[syn: electronic warfare-support measures, ESM]



WordNet (r) 3.0 (2006):

ESM
    n 1: electronic warfare undertaken under direct control of an
         operational commander to locate sources of radiated
         electromagnetic energy for the purpose of immediate threat
         recognition [syn: electronic warfare-support measures,
         ESM]


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

ESM
       External Storage Module (Sun)