Look up doughnut, donut in Wiktionary, the free dictionary.

A doughnut or donut is a deep-fried piece of dough or batter. Wikipedia does not have an article with this exact name. ... Wiktionary is a Wikimedia Foundation project intended to be a free wiki dictionary (hence: Wiktionary) (including thesaurus and lexicon) in every language. ... It has been suggested that Timbits be merged into this article or section. ...

Doughnut or donut may also mean:

• Doughnut (driving), a driving maneuver
• Donut, a main character in Red vs Blue; see List of main characters in Red vs Blue
• DONUT, a Fermilab experiment regarding the tau neutrino.
• Donut (media): a sound, video clip or graphic of high production quality containing blank segments suitable for overlaying ephemeral information. Example: a restaurant may invest in a newspaper advert with a blank space where weekly schedules may be easily rotated. Or, a national franchise may distribute a radio advert with musical space in the middle where the local branch can voice over relevant information.