What does rms queen Mary 2 stand for?

Answer:
Royal Mail Ship.
Basically is means that the ship is authorized to carry main for the British Royal Mail. These days it is just a 'title' the Queen Mary 2 does not carry mail as a cargo.
First answer by Holynougat. Last edit by Holynougat. Contributor trust: 0 [recommend contributor recommended]. Question popularity: 27 [recommend question].