E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Calibre [kali-ber].
A mind of no calibre: of no capacity. A mind of great calibre: of large capacity. Calibre is the bore of a gun, and, figuratively, the bore or compass of ones intelligence.
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The enemy had generally new arms of uniform caliber.Grant: Memoirs, vol. i. chap. xxxix. p. 572.
We measure mens calibre by the broadest circle of achievements.Chapin: Lessons of Faith, p. 16.