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actinomere

noun
ac·​tin·​o·​mere | \ ak-ˈti-nə-ˌmir\
plural -s

Definition of actinomere 

: one of the radial segments composing the body of a radiate animal

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Other Words from actinomere

actinomeric \ ak-​¦ti-​nə-​¦mer-​ik , -​¦me-​rik \ adjective

First Known Use of actinomere

1861, in the meaning defined above

History and Etymology for actinomere

probably from French actinomère, from actin- + -mère -mere

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The first known use of actinomere was in 1861

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