cowlick: a tuft of hair that grows in a different direction from the rest of the hair and usually will not lie flat
hair: a covering for the body (or parts of it) consisting of a dense growth of threadlike structures (as on the human head); helps to prevent heat loss
ostryopsis: deciduous monoecious shrubs of China and Mongolia resembling trees of the genus Ostrya; sometimes placed in subfamily or family Carpinaceae