What is the meaning of Quadrature?

The process of making something square; squaring.

The act or process of constructing a square that has the same area as a given plane figure, or of computing that area.

The calculation of a definite integral by numerical means.

The act or process of solving an indefinite integral by symbolic means.

A situation in which the directions of two celestial bodies (or a celestial body and the Sun) form a right angle from the perspective of the observer.

The condition in which the phase angle between two alternating quantities is 90°.

A painting painted on a wooden panel.

quadrature

plural of quadratura

vocative masculine singular of quadrātūrus

Source: wiktionary.org