Also found in: Dictionary, Medical.
ansae(an -see) The parts of Saturn's rings that are visible on each side of the planet as viewed from the Earth. They appear rather like handles on a double-handled cup (the Latin word ansa means ‘handle’).
The ends of the rings of Saturn, as seen from the earth.
Opposing extension or knots of a celestial object, such as a planetary nebula or lenticular galaxy.