eclipse >> /əˈklɪps/
Definition: [transitive verb] (of a celestial body) obscure the light from or to (another celestial body)
Example: as the last piece of the sun was eclipsed by the moon
Definition: [noun] An obscuring of the light from one celestial body by the passage of another between it and the observer or between it and its source of illumination.
Example: an eclipse of the sun
Definition: [noun] A phase during which the distinctive markings of a bird (especially a male duck) are obscured by molting of the breeding plumage.
Example: eclipse plumage