We don't have synonyms for ice shove yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are ice show, ice shows and ice hole.
(n) :
(geography) A phenomenon which occurs at the interface of land and water, when partially frozen-over bodies of water with broken ice encounter a constant wind that blows onto shore, blowing the pieces of ice onto shore, which pile up and drive further inland, potentially crushing shoreside buildings or pushing them off their foundations.
(n) :
(geography) A phenomenon which occurs at the interface of land and water, when partially frozen-over bodies of water with broken ice encounter a constant wind that blows onto shore, blowing the pieces of ice onto shore, which pile up and drive further inland, potentially crushing shoreside buildings or pushing them off their foundations.