Henry George Liddell, Robert Scott, A Greek-English Lexicon

A.“ἁθρόα^ς” h.Merc.106; dat. pl. “ἁθροῖσιν” Epigr.Gr.1034 26 (Callipolis):—but in later writers the spir. lenis prevailed: (“ἀ-” 11, θρόος):—in crowds, heaps, or masses, crowded together, Hom. only in pl., as Il.2.439, al.; “ἁθρόοι . . ἅπαντες” Od.3.34, etc.: sg. first in Pi.P.2.35; ἀθρόοι, of soldiers, in close order, Hdt.6.112, X.An.1.10.13, etc.; opp. ἀσύντακτοι, Id.Cyr.8.1.46; in column, ib.5.3.36; πολλαὶ κῶμαι ἁ. close together, Id.An.7.3.9.

II. together, in a body, ἁθρόα πάντ᾽ ἀπέτεισε he paid for all at once, Od.1.43; ἁ. πόλις the citizens as a whole, opp. καθ᾽ ἕκαστον, Th.2.60, cf. 1.141; “ἁ. δύναμις” Id.2.39; ἁ. ἦν αὐτῷ τὸ στράτευμα was assembled, X.Cyr.3.3.22; τὸ ἁ. their assembled force, ib.4.2.20, cf. An.5.2.1; ἁθρόῳ στόματι with one voice, E.Ba.725; ἁ. δάκρυ one flood of tears, Id.HF489; ἁ. λόγος a flood of words, Pl.R. 344d; ἁθρόους κρίνειν to condemn all by a single vote, Id.Ap.32b; “πολλοὺς ἁ. ὑμῶν” D.21.131; ἄθρους ὤφθη was seen with all his forces, Plu. Them.12, cf. Id.Sull.12; ἁ. λεγόμενον used in a collective sense, opp. κατὰ μέρος, Pl.Tht.182a; ἀθρόας γινομένης μεταβολῆς taking place all at once, Arist.Ph.186a15; opp. ἐκ προσαγωγῆς, Id.Pol.1308b16; κατήριπεν ἀ. he fell all at once, Theoc. 13.50, cf. 25.252; ἀθρόαι πέντε νύκτες five whole nights, PiP.4.130; “κατάστασις ἀθρόα καὶ αἰσθητή” Arist. Rh.1369b34; κάθαρσις ἀ., opp. κατ᾽ ὀλίγον, Id.HA582b7; καταπιεῖν ἅθρους τεμαχίτας at a gulp, Eub.9, cf. Plu.2.650c, etc.; ἀθρόον ἐκκαγχάζειν burst out laughing, Arist.EN1150b11, cf. Hp.Ep.17.

2. continuous, “κίνησις” Plot.3.7.8, cf. ib.1 (Comp.).

3. sudden, ἔφοδος Malch.p.412 D.; τῷ ἀ. μὴ καταπλαγῆναι Men.Prot.p.68 D.:— this sense may perh. be found in Plu. Them. l.c., Sull.l.c.

4. ἀθρόον, τό, = ἄθροισμα 11, Epicur.Ep.1p.16U., Fr.314, Zeno Sidon. ap. Phld.Herc.1005.7.

III. complete, overwhelming, “ἀ. κακότης” Pi.P. 2.35; continuous, incessant, “πνεῦμα” Arist.Mete.367a30; concentrated, of noise, D.H. Comp.22, etc.

IV. Adv. ἀθρόον all at once; “ἄθρουν” in one payment, PPetr.2p.27, cf. D. 27.35; generally, “εἰρῆσθαι” Aret. SA1.6:—regul. Adv. “ἀθρόως” X.Smp.2.25, Arist.HA533b10, etc.; ἀ. λέγειν to speak collectively or generally, Aristid.Rh.2.547S.

2. suddenly, “ἀετὸς ἀ. φανείς” Hsch.Mil.4.11, cf.19(perh.also in Arist.HA l.c.).

V. Comp. “ἁθροώτερος” Th.6.34, etc.; “ἀθρουστέρα” Phylotim. ap.Ath.3.79b: Sup. “ἀθρούστατος” Plu.Caes.20.