Corvette is a lightly armed warship smaller than a frigate .
A corvette ( sometimes corvet ) is a small , maneuverable , lightly armed warship , originally smaller than a frigate ( 2,000+ tons ) and larger than a coastal patrol craft or fast attack craft ( 500 or fewer tons ) , In a class of their own : new corvettes take centre stage although many recent designs resemble frigates in size and role .
Corvette