noun
Refers to frozen precipitation, specifically hail or sleet. Often used in poetic or literary contexts.
昨夜の氷雨で車のフロントガラスが割れた。
The hail last night cracked the car's windshield.
noun
chilly rain; freezing rain
Describes cold rain that feels icy, often in late autumn or winter. More common in everyday usage than the hail sense.
外は氷雨が降っていて、とても寒い。
It's freezing rain outside and very cold.