· a crunching noise

Hypernym(s): noise

· make a noise typical of an engine lacking lubricants

Synonym(s): crump, thud

Hypernym(s): crunch, scranch, scraunch, crackle

· sit on one's heels; "In some cultures, the women give birth while squatting"; "The children hunkered down to protect themselves from the sandstorm"

Synonym(s): squat, crouch, scrunch_up, hunker, hunker_down

Hypernym(s): sit, sit_down

· make wrinkles or creases on a smooth surface; make a pressed, folded or wrinkled line in; `crisp' is archaic; "The dress got wrinkled"; "crease the paper like this to make a crane"

Synonym(s): wrinkle, ruckle, crease, crinkle, scrunch_up, crisp

Hypernym(s): fold, fold_up, turn_up