Definition of "corner-stone" [corner-stone]

• Alternative spelling of cornerstone. (noun)

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• "The solemn blessing of the cathedral corner-stone, 1933."
• "Its foundations are laid, its corner-stone rests, upon the great truth that the Negro is not equal to the white man; that slavery subordination to the superior race is his natural and normal condition."
• "The Biodiversity Heritage Library (BHL) is one of the 'corner-stone' institutions of the Encyclopedia of Life (www. eol.org) project."