Definition of "muset"

And when thou hast on foot the purblind hare,Mark the poor wretch, to overshoot his troublesHow he outruns the wind and with what careHe cranks and crosses with a thousand doubles:The many musets through the which he goesAre like a labyrinth to amaze his foes.The spelling has been modernized.

1593, 1896, lines 679-684