HMAS

noun6

1. •
   (Australia) His/Her Majesty's Australian Ship; the designation of Australian ships and naval bases.
2. •
   (Australia) His Majesty's Australian Ship.
3. •
   (UK, no longer used) His Majesty's Auxiliary Ship
4. •
   (UK, no longer used) Her Majesty's Auxiliary Ship
5. •
   (UK, no longer used) His Majesty's Armed Schooner
6. •
   (UK, no longer used) Her Majesty's Armed Schooner