rotula

noun
rot·​u·​la | \ˈrächələ\
plural rotulas\-​ləz \ or rotulae\-​ˌlē \

Definition of rotula 

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

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Other Words from rotula

rotular \-​lə(r) \ adjective
rotulian \räˈtülēən, rä‧ˈtyü-​, räˈchü-​ \ adjective

First Known Use of rotula

14th century, in the meaning defined at sense 1

History and Etymology for 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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Dictionary Entries near rotula

Rotterdam

rottlera

rottweiler

rotula

rotulad

rotulet

rotuliform

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The first known use of rotula was in the 14th century

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