the rapid breaking up or fragmentation of river ice in spring or early summer.
Origin of ice run
First recorded in 1895–1900
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for ice run
Historical Examples of ice run
Whose fault would it be if he killed himself on the ice-run after all?
I want you to get into some clothes and come up to the ice-run as quick as possible!