English naval hero (5)

I believe the answer is:

drake

(Other definitions for drake that I've seen before include "-'s Drum (Newbolt)" , "Elizabethan circumnavigator" , "Seaman" , "Particular kind of duck" , "Aquatic bird" .)

I've seen this clue in the Sydney Morning Herald.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.