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Meaning of entrochus in English:

entrochus

Pronunciation /ˈɛntrəkəs/

noun

historical, rare

  • A section of the stem of a fossil crinoid of the (disused) genus Entrochus, consisting of several rounded segments or ossicles having prominent central cavities.

Origin

Mid 17th century; earliest use found in Robert Lovell (?1630–1690), naturalist. From post-classical Latin entrochus from ancient Greek ἐν in + τροχός wheel.