n. keystone of an arch; external corner or angle of a wall; cornerstone, stone forming the external angle of a wall
COIGN
Meaning of COIGN in English
Explanatory English dictionary bed edition. Толковый словарь английского языка Редакция bed. 2012
n. keystone of an arch; external corner or angle of a wall; cornerstone, stone forming the external angle of a wall
Explanatory English dictionary bed edition. Толковый словарь английского языка Редакция bed. 2012