Definition of “ice up” - English Dictionary

british dictionary

“ice up” in British English

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ice up

phrasal verb with ice uk /aɪs/ us /aɪs/ verb [ T ]

to become covered in ice and often stop working:

The plane was delayed because the engine had iced up.

(Definition of “ice up” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)