eclipse

[ek-, out;]

eclipse 1

• noun [C]
• 

when the sun or the moon seems to disappear, because one of them is passing between the other one and the Earth

eclipse 2

• verb [T]

1 to become more powerful, famous, or important than someone or something else so that they are no longer noticed:
?His achievement was eclipsed by his sister's success in the final.
2 to make the sun or moon disappear in an eclipse