Skull

Webster's Practical Dictionary- A Practical Dictionary of the Englih Language · 1884 · p. 401

skul, n. (Anat.) The bony case which incloses the brain: see Skeleton. An empty, brainle head. — Skuli'-cap, n. A close-fitting cap. (Bot.) An her baceous plant, the oalyx of whose flower, when in verted, appears like a helmet with the vizor raised for Scutellar i a.