Acronyms, Abbreviations, and Initialisms.
All human edited and we add more daily

The meaning of the Acronym 21M is...

21M is

  • Curriers Seaplane Base, Greenville Junction, Maine USA

21M is also in:

Acronym Definition Searched: FACO ACRM EAS VOC NLGA PMF LAW TOCC WCPD ISB YAK 8BF 91118 LMAO GIGNA