Bailly
ατος (τὸ) :
1 creux, cavité, ARSTT.
Respir. 5, 8 ; particul. lit de la mer, d’un fleuve, POL.
4, 39, 2, etc. ; LUC.
Am. 34 ; 2 tache sur la cornée, GAL.
14, 773.
Étym. κοιλόω.
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LSJ
ατος, τό, hollow, cavity, Arist. Spir. 483b23, Mu. 395b34 (pl.), Anon. Lond. 23.20 (pl.), Thphr. HP 3.8.3 (pl.), Babr. 86.1, Ruf. Onom. 145; [τοῦ νώτου] PMagPar. 1.1846; τὰ κ. τῶν νεφῶν Epicur. Ep. 2 p. 44U., cf. 1 p. 9U.
basin into which rivers discharge, Plb. 4.39.2 (pl.), 8; bed of a torrent, Id. 4.70.7; generally, of hollow places, low-lying land, LXX Ge. 23.2, Agatharch. 32; κ. ἔμβροχον BGU 571.12 (ii AD); excavation, PPetr. 2 p. 43 (pl., iii BC).
ulcer on the cornea, Gal. 14.773, Aët. 7.29.
Astrol., = ταπείνωμα, Paul. Al. A. 2, Cat.Cod.Astr. 8(1).243 (pl.).
metaph, τὰ κ. τῆς εὐτυχίας weak points in…, Phld. Vit. p. 12 J.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)
Pape
τό, das Ausgehöhlte, die Vertiefung ; des Meeres, Pol. 4.39.2 ; des Flußbettes, 4.70.7 ; a.Sp., wie Luc. Amor. 34.
Pape, Griechisch-deutsches Handwörterbuch (3. Aufl., 1914)
TBESG
a hollow, cavity , (Babrius Fabularum Scriptor), etc. (ML)
Translators Brief lexicon of Extended Strongs for Greek based on Abbot-Smith, A Manual Greek Lexicon of the New Testament (1922) (=AS), with corrections and adapted by Tyndale Scholars