Skull :: Skull (n.) The skeleton of the head of a vertebrate animal, including the brain case, or cranium, and the bones and cartilages of the face and mouth. See Illusts. of Carnivora, of Facial angles under Facial, and of Skeleton, in Appendix..
Skull :: Skull (n.) The head or brain; the seat of intelligence; mind.
Skull :: Skull (n.) A covering for the head; a skullcap.
Skullcap :: Skullcap (n.) A cap which fits the head closely; also, formerly, a headpiece of iron sewed inside of a cap for protection..
Skullcap :: Skullcap (n.) Any plant of the labiate genus Scutellaria, the calyx of whose flower appears, when inverted, like a helmet with the visor raised..