The meaning of Capitulum and additional information.

Capitulum(n.) 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.

Capitulum(n.) A knoblike protuberance of any part, esp. at the end of a bone or cartilage. [See Illust. of Artiodactyla.]