We found 17 dictionaries that define the word esm:

General (10 matching dictionaries)

1. ESM: Vocabulary.com
2. Esm: Wordnik
3. ESM: Wiktionary
4. ESM: Dictionary.com
5. ESM: Wikipedia, the Free Encyclopedia
6. Esm: Rhymezone
7. ESM: Stammtisch Beau Fleuve Acronyms
8. esm: FreeDictionary.org
9. esm: Mnemonic Dictionary
10. ESM: TheFreeDictionary.com

Computing (1 matching dictionary)

11. ESM: Encyclopedia

Miscellaneous (2 matching dictionaries)

12. ESM: Acronym Finder
13. AbbreviationZ (No longer online)

Science (1 matching dictionary)

14. ESM: Cytokines & Cells Online Pathfinder Encyclopaedia

Slang (1 matching dictionary)

15. ESM: Urban Dictionary

Tech (2 matching dictionaries)

16. AUTOMOTIVE TERMS (No longer online)
17. DOD Dictionary of Military Terms: Joint Acronyms and Abbreviations (No longer online)

(Note: See esms as well.)

Definitions from WordNet (Esm) ▸ noun:  electronic warfare undertaken under direct control of an operational commander to locate sources of radiated electromagnetic energy for the purpose of immediate threat recognition ▸ Words similar to esm ▸ Usage examples for esm ▸ Idioms related to esm ▸ Wikipedia articles (New!) ▸ Popular adjectives describing esm ▸ Words that often appear near esm ▸ Rhymes of esm ▸ Invented words related to esm