Complex sentence: It translates literally as "draw-boat", or "drag boat" and means a place where one could drag a boat from the one loch to another, or from a sea loch to an inland loch.
Split into simpler sentences: It translates literally as "draw-boat", or "drag boat". It means a place where one could drag a boat from the one loch to another, or from a sea loch to an inland loch.