on ice , prepositional phrase :
(idiomatic) Not being used; temporarily unavailable or suspended; on hold. Of an entertainment normally performed on a stage: performed by ice skaters as an ice show. Of a sporting or other contest: in a state of assured victory for the leading contestant. […] The winter solstice in the Northern Hemisphere falls on this day in 2017.
Source http://handbookblogger.blogspot.com/2017/12/on-ice-word-of-day-for-december-21-2017.html
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