noun
plural eclipses
[count] an occasion when the sun looks like it is completely or partially covered with a dark circle because the moon is between the sun and the Earth
an occasion when the moon looks like it is completely or partially covered with a dark circle because the Earth's shadow is on it
a loss of power, success, popularity, etc. [singular]
verb
eclipses; eclipsed; eclipsing
[+ obj] to cause an eclipse of (the sun or moon)
to make (something) less important or popular
to do or be much better than (someone or something)