in the navy is a military rank
that is not conferred by commission or warrant. It may refer both to the rank and to the sailor.
In the Royal Navy these rates in the are:
- Chief Petty Officer
- Petty Officer
Officer cadets and midshipmen
are technically ratings, although they are officer ranks.
In the age of sail there was also a system of rating ships by the number of guns carried.
See also Comparative military ranks