a quoin or cornerstone, of great importance in binding together the sides of a building. The phrase "corner-stone" is sometimes used to denote any principal person, as the princes of Egypt, (Isaiah 19:13) and is thus applied to our Lord. (Isaiah 28:16; Matthew 21:42; 1 Peter 2:6,7)
CORNERSTONE
Meaning of CORNERSTONE in English
Smith's Bible English dictionary. Английский библейский словарь Смита. 2012