Rotula

Definitions

  • Webster's Revised Unabridged Dictionary
    • n Rotula (Anat) The patella, or kneepan.
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Chambers's Twentieth Century Dictionary
    • n Rotula rot′ū-la the patella or knee-pan: one of the five radial pieces in the dentary apparatus of the sea-urchin
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Etymology

Webster's Revised Unabridged Dictionary
L., a little wheel; cf. It. rotula,

Usage

In literature:

The free ends of these shafts often possess rudimentary rotulae.
"Freshwater Sponges, Hydroids & Polyzoa" by Nelson Annandale
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