break-up season
n.β Β«Warmer weather in Western Canada means the winter thaw of ice and snowβor “break-up season,” as itβs known in the industryβhas started early this year, effectively making the winter drilling season two to three weeks shorter than normal.Β» ββEarly spring halts drilling season” by Norval Scott in Calgary Globe and Mail (Toronto, Canada) Mar. 14, 2007. (source: Double-Tongued Dictionary)