Definitions

1. noun

a sheet of ice formed from the freezing of water, typically on a road or other surface, and often resulting in a slippery and hazardous condition

“The driver lost control of the car on the blackice on the highway.”

2. noun

a type of ice hockey game played at night with the rink floodlights turned off, often for a charity event or to create a unique atmosphere

“The team played a game of blackice hockey to raise money for the local children’s hospital.”