What is "overspilt"

Usage examples of "overspilt".

For a prolonged moment Jack alone was sunlit, picked out then the light reached the topsail travelled down it, took in the peak of the boom mainsail and so reached the deck, flooding it from stem to stern Tears welled up in his eyes, blurred his vision, overspilt, rolled down his cheeks they did not use themselves up in lines upon his face but dropped, two, four, six, eight, round drops slanting away through the warm golden air to leeward.