LSJἀκρο-γωνιαῖοςGlossat the extreme angleἀκρο-γωνιαῖος,α,ον,A. at the extreme angle,ἀ. λίθος corner foundation-stone, LXX Is. 28.16 , Ep.Eph. 2.20 .ReferencesLXX Is. 28.16Ep.Eph. 2.20