\Bour"don\, n. [F., fr. L. burdo mule, esp. one used for
carrying litters. Cf. Sp. muleta a young she mule; also,
crutch, prop.]
A pilgrim's staff.

\Bour"don`\, n. [F. See {Burden} a refrain.] (Mus.)
(a) A drone bass, as in a bagpipe, or a hurdy-gurdy. See
    {Burden} (of a song.)
(b) A kind of organ stop.