bourdigneau [< Cdn F] Hist. 
n. See 1950 quote.
See also: bourdion ice-bank
- 1859 (1925) . . . how happy I was when I lay down and slept again, instead of clambering over the rugged bourdigneaux!
- 1950 The voyageurs used the term bourdigneaux for the perpendicular ridges of ice along rivers.