rotula

noun rot·u·la \ ˈrächələ \

Definition of rotula

plural rotulas \-ləz\ or rotulae \-ˌlē\
1 : patella 2a
2 : one of the five radial pieces intervening between the alveoli and extending inward toward the esophagus in the Aristotle's lantern of a sea urchin
3 : troche

rotular

\-lə(r)\ adjective

rotulian

\räˈtülēən, rä‧ˈtyü-, räˈchü-\ adjective

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Origin and Etymology of rotula

in sense 1, from Middle English, from Medieval Latin, from Latin, little wheel; in other senses, from New Latin, from Latin


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