Meaning of 怒っ顔 in Japanese

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Definition of 怒っ顔

かお(kao) 【顔 ·顏】

おこる(okoru) · いかる(ikaru) 【怒る ·瞋る】

(v5r, vi) to get angry; to get mad
to tell someone off; to scold
それをそのままにしておきなさい。そうしないと怒られますよ。
Leave it as it is, or you will be scolded.
to be angular; to be square

かんばせ(kanbase) 【顔 ·容】