Available Definitions:
1) n. - A school, company, or shoal.
2) 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.
3) n. - The head or brain; the seat of intelligence; mind.
4) n. - A covering for the head; a skullcap.
5) n. - A sort of oar. See Scull .