- (astronomy) A celestial body consisting mainly of ice, dust and gas in an (usually very eccentric) orbit around the Sun and having a "tail" of matter blown back from it by the solar wind as it approaches the Sun.
Etymology: From comete (French: comète), from cometa, from (kometes) "longhaired", referring to the tail of a comet, from (kome) "hair".
- Dutch: komeet
- French: comète
- German: Komet
- Italian: cometa
- Spanish: cometa
Supplemental Details:Sponsor an extended definition for comet for as little as $10 per month. Click here to contact us.