"small two- or three-masted fishing or coasting boat" (also favored by smugglers), always with lug-sails, 1757, from lug-sail. Or else [OED] from Dutch logger, which is perhaps from Middle Dutch loggen "to fish with a dragnet."
lug
Luganda
luge
Luger
luggage
lugger
lug-sail
lugubriosity
lugubrious
lug-worm
Luke