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ice

1 ice /ˈaɪs/ noun
plural ices
1 ice
/ˈaɪs/
noun
plural ices
Britannica Dictionary definition of ICE
[noncount]
: frozen water
see also dry ice
: a sheet of frozen water
see also black ice, center ice
: cubes or pieces of ice
[count, noncount] US : a frozen dessert of crushed ice sweetened with fruit juice
[count] British, old-fashioned : a serving of ice cream
[noncount] US slang, old-fashioned : diamonds or jewelry

break the ice

informal
: to say or do something that helps people to relax and begin talking at a meeting, party, etc. see also icebreaker 2

cut ice

informal
: to have importance to someone usually + with used in negative statements

on ice

: on top of pieces of ice in order to be kept cool
informal : in the state of being delayed for a time
US, informal : in a condition that makes victory certain

on thin ice

: in a dangerous situation : in a situation that may cause you to get into trouble
2 ice /ˈaɪs/ verb
ices; iced; icing
2 ice
/ˈaɪs/
verb
ices; iced; icing
Britannica Dictionary definition of ICE
[+ object]
: to make (something) cold with ice
: to cover (something, such as a cake) with icing
US, informal : to make winning or getting (something) certain
ice hockey : to shoot (the puck) down the rink and beyond the opponent's goal
US slang, old-fashioned : to kill or murder (someone)

ice over/up

[phrasal verb]
: to become covered with ice