DCHP-1 Online
Bordeau(x) [< F] 
n. an inferior grade of beaver pelt.
- c1735 (1899) The beaver . . . was classified into eight varieties. [Third] came in order the dry winter beaver, and the Bordeau, both worth three shillings and sixpence [a pound].
- 1844 The third the dry Winter Beaver, and fourth the Bordeau, is much the same. . . .
- 1912 (1913) Such furs! Beaver in countless packs, all the fat winter skins,--no Bordeaux, no Mittain.
- c1735 (1899) The beaver . . . was classified into eight varieties. [Third] came in order the dry winter beaver, and the Bordeau, both worth three shillings and sixpence [a pound].