Sentence:  ... I discovered two Gallies making towards "Nicita," whom I saluted with two Cannons, which I levelled and fired my self, so happily, that one of them being shot through between wind and water, was fain to go off to <WSD>refit</WSD>, and the other had three or four slaves killed. 
Meaning of the word marked with <WSD> tags:  To prepare a vessel for use again ("e.g." by replenishing depleted supplies or doing maintenance or repair work); (of a vessel) to be prepared for use again.