Definition of "third-rate" in Englisch

adjective

1. (UK, military, nautical, historical) Of a Royal Navy ship of the line in the Napoleonic Era: having 64–80 guns across two gun decks, a complement of 500–650, and weighing approximately 1,750 tons burthen.

2. (idiomatic) Poor, shoddy; less than second-rate.

noun

1. (UK, military, nautical, historical) A third-rate ship of the line.