Entry 1 sense Webster, 1913 Cowlick /(-l?k`)/ · Cow·lick · IPA /ˈkælɪk/ 01 n. A tuft of hair turned up or awry (usually over the forehead), as if licked by a cow. 1. A tuft of hair turned up or awry (usually over the forehead), as if licked by a cow.