Keystone

Quick meaning: Keystone is a noun meaning (architecture) The top stone of an arch.

Meaning

(architecture) The top stone of an arch.

More Meanings

1. Something on which other things depend for support.
2. (retail) A retail price that is double the cost price; a markup of 100%.
3. (baseball) The combination of the shortstop and second baseman.
4. (transitive) To distort (an image) by projecting it onto a surface at an angle, which for example causes a square to look like a trapezoid.
5. (transitive, retail) To double the cost price in order to determine the retail price; to apply a markup of 100%.

Example Sentences

The tunnel, which is 1,000 yd. long, had been closed to passenger traffic since November 17, 1949, after some of the keystones had worked loose.

Tension between empirical and theoretical knowledge is keystone to sociological and to organizational theories, as early as in Marx's and Weber's frameworks.

Word Forms

• keystones
• keystoning
• keystoned

Synonyms for keystone

Depending on context, synonyms include headstone.

Related Words

Related dictionary entries include headstone, vault, pillar, cornerstone, basement, centrepiece.

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