Definition of ice time in US English:
ice time
noun
1The time of year when rivers or other bodies of water freeze over and the ground is icy.
2Ice age. Now historical and rare.
3Time when an ice rink is available for use.
Origin
Mid 19th century. From ice + time, partly after German Eiszeit.
Pronunciation
ice time
/ˈʌɪs tʌɪm/