Definition of "SES"

SES

proper noun
1. (Australia) Initialism of State Emergency Service, any of various state-based emergency service organisations, staffed by volunteers and operating within state legislation.
  Quotations
  The SES in Western Australia is another operational arm of the Fire and Emergency Services Authority.
  2005, Michael Eburn, Emergency Law‎, page 101
2. (US, Australia) Initialism of Senior Executive Service, a high-ranking position classification of the civil service (public service).
  Quotations
  It has often been suggested that Australian governments by adopting the SES model are gradually following United States practice where senior levels of the public service are staffed by political appointments of the president.
  1999, Ciaran O'Faircheallaigh, John Wanna, Patrick Moray Weller, Public Sector Management in Australia: New Challenges, New Directions, page 152
3. (cloud computing) Initialism of Simple Email Service.
noun
countable and uncountable, plural SESes
1. (astronautics) Initialism of sustainer engine start.
2. (astronautics) Initialism of second engine start.
3. (astronautics) Initialism of secondary engine start.
4. (electronics) Initialism of small Edison screw.
5. Initialism of socioeconomic status; the economic and social position in relation to others, based on various factors such as income, occupation and education.