crunches
crun-ches
verb
Performs an exercise to strengthen abdominal muscles by lifting head and shoulders.
"She crunches daily to tone her abs."
verb
Makes a loud, grinding sound, often by crushing or chewing something hard.
"The dog crunches its biscuit loudly."
Thesaurus
Synonyms: mash, bray, grind, comminute, cranch, craunch, compaction, crush, munch, crackle, scranch, scraunch