velellidous
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velellidous — ve·lel·li·dous … English syllables
velella — velellidous, adj. /veuh lel euh/, n. a floating colony of hydrozoans of the genus Velella, having a vertical crest that is used as a sail. [1825 35; < NL, equiv. to L vel(um) sail + ella ELLA] * * * … Universalium