Question

noun1 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: 2 Ornithology a phase during which the distinctive markings of a bird (especially a male duck) are obscured by moulting of the breeding plumage.verb(of a celestial body) obscure the light from or to (another celestial body):

Accepted Answer

eclipse

Front	noun 1 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: 2 Ornithology a phase during which the distinctive markings of a bird (especially a male duck) are obscured by moulting of the breeding plumage. verb (of a celestial body) obscure the light from or to (another celestial body):
Back	eclipse

Celestial Light Noun Obscuring Body Passage Observer Source