What it means

1. verb laugh unrestrainedly
2. verb cause to separate
   “break up kidney stones”
3. verb break or cause to break into pieces
   “The plate fragmented”
4. verb come apart
   “the group broke up”
5. verb separate (substances) into constituent elements or parts
6. verb come to an end
   “Their marriage dissolved”
7. verb bring the association of to an end or cause to break up
   “The decree officially dissolved the marriage”
8. verb release ice
   “The icebergs and glaciers calve”
9. verb attack with or as if with a pickaxe of ice or rocky ground, for example
   “Pick open the ice”
10. verb set or keep apart
    “sever a relationship”
11. verb break violently or noisily
12. verb destroy the completeness of a set of related items
    “The book dealer would not break the set”