I.number, Lat. numerus, Od., etc.; ἀριθμόν in number, Hdt., attic; ἀριθμὸν ἕξ Hdt.; ἐς τὸν ἀρ. τρισχίλια id=Hdt.; also, ἓν ἀριθμῶι id=Hdt.; so in attic
3.as mark of station, worth, rank, μετ᾽ ἀνδρῶν ἀριθμῶι among men, Od.; οὐκ ἔχουσιν ἀριθμόν have no account made of them, Eur.; οὐδ᾽ εἰς ἀριθμὸν ἥκεις λόγων you come not into my account, id=Eur.
4.mere number, quantity, opp. to quality, worth, ἀριθμὸς λόγων a mere set of words, Soph.; so of men, οὐκ ἀρ. ἄλλως not a mere lot, Eur.; so ἀριθμός alone, like Hor.'s nos numerus sumus, Ar.
II.a numbering, counting, ἀριθμὸν ποιεῖσθαι τῆς στρατιῆς to hold a muster of the army, Hdt.; παρεῖναι εἰς τὸν ἀρ. Xen.
III.the science of numbers, numeration, arithmetic, Aesch., Plat.
