Entry 2 senses · 2 variants Webster, 1913 Bourdon · Bour·don · IPA /ˈbʊɹdən/ n. n. 01 n. A pilgrim's staff. 1. A pilgrim's staff. 02 n. A drone bass, as in a bagpipe, or a hurdy-gurdy. See Burden (of a song.) 1. A drone bass, as in a bagpipe, or a hurdy-gurdy. See Burden (of a song.)(Mus.) See: Burden