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ice jam

an obstruction of broken river ice in a narrow part of a channel.
a mass of lake or sea ice broken and piled up against the shore by wind pressure.
Origin of ice jam
1840-50 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for ice jam
  • Other types of flash floods can occur from dam or levee failures, or a sudden release of water held by an ice jam.
  • As the day waned, a backflow of ice and water caused by the ice jam downstream began moving.
  • The sudden break-up of an ice jam or the failure of a dam may also result in flash flooding.
  • Comprehensive records of ice jam damage were not found.
  • The ice jam can act as a dam, causing water to back up behind it.
  • Water held back by the ice jam or debris dam can cause flooding upstream.

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