n.
Function: noun
Date: 1832
1 : an act of crunching
2 : a sound made by crunching
3 : a tight or critical situation: as a : a critical point in the buildup of pressure between opposing elements : SHOWDOWN b : a severe economic squeeze (as on credit) c : SHORTAGE <an energy crunch >
4 : a conditioning exercise performed from a supine position by raising and lowering the upper torso without reaching a sitting position