LSJ
ον, adjacent to an angle, Inscr.Délos 504 A 6 (iii BC); λίθος Rev.Phil. 43.202 (Didyma), Milet. 7 p. 57.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)
TBESG
adjacent to an angle (MT)
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