A ship designed to break through ice so that it, or other ships coming behind, can navigate on frozen seas.
(cot)
(ux)
(RQ:Torgoff Can't Find My Way Home)
A game, activity, humorous anecdote, etc., designed to relax a group of people to help them get to know each other.
(quote-book)
A lively song and dance routine at the start of a musical.