DCHP-1 Online
cahot [< Cdn F cahoter jar, bump] Hist. 
n. one of a series of depressions and ridges caused by impacted snow on a winter road, a source of much jolting and bouncing to passengers in sleighs, carioles, etc.
See also: pitch-hole (def. 1)
- 1788 I found the roads perfectly smooth and even, not a cahot to be seen. . . .
- 1829 The Traineaux are . . . built on low runners . . . drawn from a bar below, which shoves the snows before it, and forms the cahots or waves on the road, which are so troublesome.
- 1902 These cahots . . . only added another to the delights that a sleigh-ride held for the boys.
- 1788 I found the roads perfectly smooth and even, not a cahot to be seen. . . .