Definitions for "Eclipse, lunar"
an eclipse in which the Moon passes through the shadow cast by the Earth. The eclipse may be total (the Moon passing completely through the Earth's umbra), partial (the Moon passing partially through the Earth's umbra at maximum eclipse), or penumbral (the Moon passing only through the Earth's penumbra).
Caused when the Earth passes between the Sun and the Moon, so that the Earth's shadow falls across the Moon and the Moon is passing through the shadow cast by the Earth. The lunar eclipse is total when the Moon is passing completely through the Earth's umbra. The lunar eclipse is partial when the Moon is passing partially through the Earth's umbra at maximum eclipse. The lunar eclipse can also be penumbral when the Moon is passing only through the Earth's penumbra.
The total or partial obscuring of the moon from the sun by the earth's shadow.