acontium

noun
acon·​ti·​um | \ ə-ˈkän-chē-əm \
plural acontia\ ə-​ˈkän-​chē-​ə \ or acontiums

Definition of acontium

zoology
: one of the free threads continued from the lower ends of the septa of certain actinians, histologically similar to cnidoglandular bands, protruding through the mouth when the animal contracts, and probably defensive

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History and Etymology for acontium

New Latin, from Greek akontion javelin, diminutive of akont-, akōn

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Cite this Entry

“Acontium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acontium. Accessed 3 Aug. 2020.

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