What is the head or uppermost member of a column, pilaster, etc. It consists generally of three parts, abacus, bell (or vase), and necking. See these terms, and Column called?

capital — (Arch.) The head or uppermost member of a column, pilaster, etc. It consists generally of three parts, abacus, bell (or vase), and necking. See these terms, and Column. (Webster's 1913.)

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