1 n. Ont. and Que. 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: cahot
2 n. a deep pothole (def. 2a) (especially in a road or trail) that causes a vehicle to pitch and toss.
See also: pothole (def. 2a)