Sentence:  The "Nabob" sent "Lacandas" to informe me, that these supplyes were not for warre, but fild full of combustible matter to fire, and so to be <WSD>let driue</WSD> with the tyde vpon our ships in the night ... 
Meaning of the word marked with <WSD> tags:  To allow (a vessel) to be propelled by the wind, current or tide.