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The head or uppermost member of a classical column, pilaster, etc. It consists generally of three parts, abacus, bell (or vase), and necking. Here we see the capital of a composite column having both the Ionic volutes double scroll and the Corinthian acanthus leaves between the upper abacus and lower necking.

The carved stone which caps a column or pier and which forms the transition between the shape of the column and the arches over it.