D defs.my
Entry 1 sense Webster, 1913

Icequake

/(īs"kwāk`)/ · Ice·quake · IPA
01 n. The crash or concussion attending the breaking up of masses of ice, -- often due to contraction from extreme cold.
  1. 1.
    The crash or concussion attending the breaking up of masses of ice, -- often due to contraction from extreme cold.