Coxswain's lack Crossword Clue

A type of lever used to propel a boat, having a flat blade at one end and a handle at the other, and pivoted in a rowlock atop the gunwale, whereby a rower seated in the boat and pulling the handle can pass the blade through the water by repeated strokes against the water's resistance, thus moving the boat .

An anagram of the answer is "ROA"

Can also mean "PADDLE"

Another clue for the same answer is Rower's implement

The first letter of the answer is "O"