† octophthalmousadj. [ < octo-comb. form + ancient Greek ὀϕθαλμός eye (see ophthalmo-comb. form) + -oussuffix] ZoologyObsoleterare having eight eyes.Apparently only attested in dictionaries or glossaries.
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1890 Cent. Dict.Octophthalmous, having eight eyes, as a spider; octonocular.