noun
: a distance along the ecliptic averaging about 11 degrees on each side of either of the moon's nodes within which the sun must be at full moon in order for a lunar eclipse to occur
noun
: a distance along the ecliptic averaging about 11 degrees on each side of either of the moon's nodes within which the sun must be at full moon in order for a lunar eclipse to occur
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012