† octonemousadj. [ < octo-comb. form + ancient Greek νῆμα thread (see nemato-comb. form) + -oussuffix] ZoologyObsoleterare having eight filaments or filamentous organs.Apparently only attested in dictionaries or glossaries.
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1857 R. G. MayneExpos. Lexicon Med. Sci. (1860) Octonemus, having eight arms or tentacula, as the umbrellæ of the Favonia octonema: octonemous.