capitulum

Etymology

Borrowed from Latin capitulum. Doublet of chapiter and chapter.

noun

  1. (botany) A densely clustered inflorescence composed of a large number of individual florets arising from a platform-like base.
  2. (arachnology) The head-like mouthpart apparatus of a tick, including the palpi, mandibles, and hypostome.
  3. (anatomy) A small protuberance on a bone which articulates into another bone to form a ball-and-socket joint.
  4. (entomology, obsolete) The enlarged end of a proboscis.

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