Definition of "Crunch" :
noun: the act of crushing
noun: the sound of something crunching
"He heard the crunch of footsteps on the gravel path."
noun: a critical situation that arises because of a shortage (as a shortage of time or money or resources)
"An end-of-the year crunch."
verb: reduce to small pieces or particles by pounding or abrading
verb: make a crushing noise
"His shoes were crunching on the gravel."
verb: chew noisily
"The children crunched the celery sticks."
verb: press or grind with a crushing noise