crimp

nouns

an angular or rounded shape made by folding
"a fold in the napkin"; "a crease in his trousers"; "a plication on her blouse"; "a flexure of the colon"; "a bend of his elbow"
someone who tricks or coerces men into service as sailors or soldiers
a lock of hair that has been artificially waved or curled
is a type of (narrower)
a strand or cluster of hair

verbs

make ridges into by pinching together
curl tightly
"crimp hair"