fracture

Short definition from Wiktionary

Noun

1. 1
   An instance of breaking, a place where something has broken.
2. 2
   A break in bone or cartilage.
3. 3
   A fault or crack in a rock.

Verb

1. 1
   To break, or cause something to break.
2. 2
   To amuse (a person) greatly; to split someone's sides.