hairstyle(n = noun.body) coif, coiffure, hair style, hairdo - the arrangement of the hair (especially a woman's hair);
is a kind of hair
has parts: rat, curl, lock, ringlet, whorl
has particulars: beehive, bouffant, haircut, afro, afro hairdo, bang, fringe, bob, wave, braid, plait, tress, twist, chignon, marcel, pageboy, pompadour, ponytail, roach, scalp lock, thatch

hairstyle, n. a particular way of arranging or dressing the hair.

Derivative:
hairstyling n. hairstylist n.