ca·​pit·​u·​lum | \ kə-ˈpi-chə-ləm How to pronounce capitulum (audio) \
plural capitula\ kə-​ˈpi-​chə-​lə How to pronounce capitula (audio) \

Definition of capitulum

1 : a rounded protuberance of an anatomical part (such as a bone)
2 : a racemose inflorescence (as of the sunflower) with the axis shortened and dilated to form a rounded or flattened cluster of sessile flowers — see inflorescence illustration

First Known Use of capitulum

circa 1755, in the meaning defined at sense 1

History and Etymology for capitulum

New Latin, from Latin, small head — more at chapter

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The first known use of capitulum was circa 1755

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Cite this Entry

“Capitulum.” Dictionary, Merriam-Webster, Accessed 1 Apr. 2020.

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ca·​pit·​u·​lum | \ -ə-ləm How to pronounce capitulum (audio) \
plural capitula\ -​lə How to pronounce capitula (audio) \

Medical Definition of capitulum

: a rounded protuberance of an anatomical part: as
a : the knob at the end of a bone or cartilage
b : the beak of a tick composed of the mouthparts and palpi

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