skull /ˈskʌl/noun 7verb 3forms 3phrases 1 noun7 •the hard case of bone in the head that holds the brain and gives the face its shape •These bones as a symbol for death; death's-head.Thine are these orbs of light and shade; Thou madest Life in man and brute; Thou madest Death; and lo, thy foot Is on the skull which thou hast made. — 1850 •(figurative) The mind or brain.My thoughts are flying around in my skull like fireflies in a jar, but all of a sudden I'm unbearably tired and can't stay awake. — 2006 •The crown of the headpiece in armour. •A crust formed on the ladle, etc. by the partial cooling of molten metal. •(Scotland) A shallow bow-handled basket. •(slang, no longer used) The head or master of a college. verb3 •To hit in the head with a fist, a weapon, or a thrown object. •To strike the top of (the ball).Monte swung so hard at the next ball that he skulled it straight right, into the pond: 8 in, 9 out. — 2002 •To drink everything that remains in a glass by upending it.She nearly skulled the next drink and, despite feeling a little woozy, she felt a lot better. — 2016 formsskulled · skulling · skulls Phrases with skull skull-splittingOf a severe headache or migraine.