noun.
A projecting tuft of hair on the head that grows in a different direction from the rest of the hair and will not lie flat.
The Century Dictionary and Cyclopedia
noun.plural The snowdrop-tree, Mohrodendron dipterum.
noun.
A tuft of hair which presents the appearance of hair that has been licked by a cow, as on herself or on a calf, out of its proper position and natural direction. Also called calf-lick.
the GNU version of the Collaborative International Dictionary of English
noun.
A tuft of hair turned up or awry (usually over the forehead), as if licked by a cow.
noun.
An unruly lock of hair that sticks straight up from the rear of the skull as if licked by a cow.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a tuft of hair that grows in a different direction from the rest of the hair and usually will not lie flat
Word Usage
"Researchers say the creature’s single antler, which pokes up like a cowlick from the middle of its head, may be the result of a genetic anomaly — although its twin has two horns, the AP reports."