icy road; black ice on roads
Refers to road surfaces covered with hard, slippery ice, often from compacted snow or freezing rain. Common in winter driving contexts.
from German Eisbahn
This morning the roads were icy and cars slipped easily.
frozen snow surface; icy slope
Used especially for ski slopes or mountain paths where the snow surface has become hard and icy.
The ski slope is icy and slippery, so caution is needed.
Original German meaning (Eisbahn). Now rare in Japanese; スケートリンク is the common term for a skating rink.
Although 'アイスバーン' originally meant a skating rink in German, it is now rarely used in that sense.