- The partial or complete obscuring, relative to a designated observer, of one celestial body by another. (noun)
- The period of time during which such an obscuration occurs. (noun)
- A temporary or permanent dimming or cutting off of light. (noun)
- A fall into obscurity or disuse; a decline: "A composer . . . often goes into eclipse after his death and never regains popularity” ( Time). (noun)
- A disgraceful or humiliating end; a downfall: Revelations of wrongdoing helped bring about the eclipse of the governor's career. (noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.