(A) the word or that by which the inward thought is expressed, Lat. oratio; and, (B) the inward thought itself, Lat. ratio.
I.a word, pl. words, i. e. language, talk, Hom., etc.; λόγου ἕνεκα, Lat. dicis causa, merely for talking's sake, Plat.; λόγῳ in word, in pretence, opp. to ἔργῳ (in deed, in reality), Hdt., attic
II.a word, saying, statement, Thuc.: an oracle, Pind., Plat.:— a saying, maxim, proverb, Pind., Aesch.
2.an assertion, promise, Soph.
5.a command, Aesch.
III.speech, discourse, conversation, εἰς λόγους ἐλθεῖν, συνελθεῖν, ἀφικέσθαι τινί Hdt., attic; λόγου μεῖζον, κρεῖσσον beyond expression, Hdt., Thuc.; λόγου ἄξιον worth mention, Hdt.
3.talk about one, report, repute, Lat. fama, λόγος, Hdt., attic; λόγος ἐστί, λόγος ἔχει, κατέχει, φέρεται, c. acc. et inf., so the story goes, Lat. fama fert, Hdt., attic
4.speech, language, Plat.
IV.a saying, tale, story, opp. on the one hand to mere fable (μῦθος), on the other, to regular history (ἱστορία), Hdt., Thuc., etc.: then, a fictitious story, fable, like those of Aesop, Hdt., Plat.
2.a narrative, and in pl. histories, history, Hdt.: in sg. one part of such a work, id=Hdt.
V.generally, prose-writing, prose, Xen., etc.
VI.a speech, oration, Oratt.
VIII.that which is stated, a proposition, position, principle, Plat.: also = ὁρισμός, a definition, id=Plat.
B.Lat. ratio, thought, reason, οὐκ ἔχει λόγον admits not of reason, Soph.; ὀρθὸς λ. Plat.; ὡς ἔχει λόγον, ῀ ὡς ἔοικεν, Dem.:— κατὰ λόγον agreeably to reason, Plat.; μετὰ λόγου id=Plat.
2.an opinion, expectation, Hdt.
3.a reason, ground, plea, Soph., etc.; ἐκ τίνος λόγου; on what ground? Aesch.; ἐξ οὐδενὸς λ. Soph., etc.
II.account, consideration, esteem, regard, λόγον βροτῶν οὐκ ἔσχεν οὐδένα Aesch.; Μαρδονίου λόγος οὐδεὶς γίγνεται Hdt.; λόγου οὐδενὸς γενέσθαι to be of no account, id=Hdt.; λόγου ποιεῖσθαί τινα or τι, to make account of a person or thing, id=Hdt.;—so, ἐν οὐδενὶ λόγῳ ποιεῖσθαι id=Hdt.;— ἐν ἀνδρὸς λόγῳ εἶναι to be reckoned as a man, id=Hdt.