ethmoidal vein ethmoidal sinus • ethmoid bone · · · Info · Definitions · Synonyms · Characters · · ethmoidal vein · · Text Common · · Latin · · Scripts 14 · · Length 5 · · Syllables Definitions · · · (noun) veins that drain the ethmoidal sinuses and empty into the superior ophthalmic vein. Synonyms: ethmoidal vein, vena ethmoidalis. · · Noun Definition 1 Synonyms · · · vena ethmoidalis · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F t latin small letter t U+0074 v latin small letter v U+0076