Main Entry: quad·ra·ture

Pronunciation: \ˈkwä-drə-ˌchu̇r, -chər, -ˌtyu̇r, -ˌtu̇r\

Function: noun

Date: 1591

1 : a configuration in which two celestial bodies (as the moon and the sun) have an angular separation of 90 degrees as seen from the earth
2 : the process of finding a square equal in area to a given area