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.]

Example:
What is the difference between "raceme" and "antodium" (Capitulum, flower head)?

Taxonomy
free encyclopedia, eggs, capitulum of the humerus, search, ants, type of flower, species, genus, disambiguation pages, Personal tools, Interaction, Toolbox, Languages, non-profit organization, botany, flower head, bracts, Daisy.

Defination from the web: