Ca*pit"u*lum (?), n.; pl. Capitula (). [L., a small head.]
1.
A thick head of flowers on a very short axis, as a clover top, or a dandelion; a composite flower. A capitulum may be either globular or flat.
Gray.
2. Anat.
A knobike protuberance of any part, esp. at the end of a bone or cartilage. [See Illust. of Artiodactyla.]
© Webster 1913.