eclipse

IPA: ɪkɫˈɪps

(astronomy) An alignment of astronomical objects whereby one object comes between the observer (or notional observer) and another object, thus obscuring the latter.
Especially, an alignment whereby a planetary object (for example, the Moon) comes between the Sun and another planetary object (for example, the Earth), resulting in a shadow being cast by the middle planetary object onto the other planetary object.
(ornithology) A seasonal state of plumage in some birds, notably ducks, adopted temporarily after the breeding season and characterised by a dull and scruffy appearance.
Obscurity, decline, downfall.

Examples of "eclipse" in Sentences

The word 'eclipse' comes from the Greek word ékleipsis, or ekleíp (ein), which means to leave out, forsake, fail to appear
The term eclipse is also used to refer to a general decline or temporary obscurity: After taking the title last year, the team has gone into an eclipse this season.
The word eclipse comes from the Greek for "abandonment," and captures the sense of foreboding the sun's vanishing act inspired even in civilizations whose astronomers had figured out why and when the darkness would fall.