Definition of ice noun from the Oxford Advanced Learner's Dictionary

Oxford3000

ice

noun
aɪs
 
; aɪs
 
 
1 [uncountable] water that has frozen and become solidThere was ice on the windows.The lake was covered with a sheet of ice.My hands are as cold as ice. see also icy, black ice, dry ice2 [singular] usually the ice a frozen surface that people skate onThe dancers came out onto the ice.Both teams are on the ice, waiting for the whistle.3 [uncountable] a piece of ice used to keep food and drinks coldI'll have lemonade please—no ice.4 [countable] (old-fashioned, especially British English) an ice creamDrinks, ices and popcorn are all on sale in the foyer.5 [uncountable] (North American English) a type of sweet food that consists of ice that has been crushed and flavoured
Idioms

break the ice

to say or do something that makes people feel more relaxed, especially at the beginning of a meeting, party, etc.
see also icebreaker (2)Jim organized a few party games to break the ice when people first arrived.

cut no ice (with somebody)

to have no influence or effect on somebody
His excuses cut no ice with me.

on ice

1 (of wine, etc.) kept cold by being surrounded by iceAll the food is laid out and the champagne is on ice.2 (of a plan, etc.) not being dealt with now; waiting to be dealt with at a later timeWe've had to put our plans on ice for the time being.3 (of entertainment, etc.) performed by skaters on an ice rinkCinderella on ice
more at be skating/walking on thin ice at thin adjective