ogive

A distribution curve in which the frequencies are cumulative.

A frequency distribution.

A diagonal rib of a Gothic vault.

A pointed arch.

Ogival.

In architecture: A pointed arch; also, the diagonal rib of a vault of the type normal in the French architecture of the thirteenth century. See arc ogive, under arc.

A window of the Pointed style.

The arch or rib which crosses a Gothic vault diagonally.