capitulum

Noun

1. A densely clustered inflorescence composed of a large number of individual florets arising from a platform-like base.

   Synonyms: capitellum sphaeridium

2. The head-like mouthpart apparatus of a tick, including the palpi, mandibles, and hypostome.

   Synonyms: capitellum

3. A small protuberance on a bone which articulates into another bone to form a ball-and-socket joint.

   Synonyms: capitellum

4. The enlarged end of a proboscis.
5. The symbol ⸿. It was used to mark chapters or paragraphs, and is the ancestor of the pilcrow (¶).