Definition of "MG"

MG

proper noun
1. Initialism of Morris Garages, a British sports-car manufacturer.
2. Initialism of Minas Gerais, a state of Brazil.
noun
countable and uncountable, plural MGs
1. A sports car manufactured by Morris Garages.
  Quotations
  Joseph […] walked directly to the driverʼs side of a perfectly beautiful red MG.
  2002, Zadie Smith, The Autograph Man, Penguin Books (2003), page 332
2. (military) Abbreviation of machine gun.
3. (pathology) Initialism of myasthenia gravis.
adjective
not comparable
1. (papermaking) Initialism of machine-glazed.