DCHP-1 Online
ice-shove 
1 n. Obs. See quote.
- 1829 Mr. Wright termed these wavy rocks, ice-shoves: he agreed that they had once been the channels of rapids, and were scooped out by the spring floods, laden with ice. . . .
2 n. Hist. the annual thrusting forward and expansion of river ice during break-up, with special reference to the St. Lawrence River, where the phenomenon was accompanied with much flooding and considerable danger.
See also: débâcle ice flood ice-run shove ((n.)) (def. 2) shove ((v.))
- 1865 He built a wall of bricks . . . to measure the destructive effects of the "ice-shove" in the spring.
- 1870 . . . it will give us a vivid idea of the dangers attendant on the ice-shove of the St. Lawrence. . . .
- 1955 As in a monstrous game of leap-frog, the huge blocks of ice are sliding over one another in the ice-shove on the Montreal water-front in 1873.
- 1829 Mr. Wright termed these wavy rocks, ice-shoves: he agreed that they had once been the channels of rapids, and were scooped out by the spring floods, laden with ice. . . .