A day of events and activities organized to raise money for charity (in the UK, on behalf of the organization Comic Relief).
 Example sentencesExamples
-  Mr Smith has volunteered for the image change as his contribution to Red Nose Day.
 -  Comic Relief officially launched this year's Red Nose Day yesterday.
 -  The theme of Red Nose Day this year is The Big Hair Do.
 -  The charity fundraiser was bathing in a bath of baked beans for Red Nose Day on Oxford Street.
 -  The results will be live at about 8.30 pm on Red Nose Day.
 -  BBC Network Radio is joining in the fun this Red Nose Day.
 -  At the end the children released red balloons to mark Red Nose Day.
 -  Pupils will be marking Red Nose Day with a non-uniform day.
 -  Michaela was sponsored to sing everything she said on Red Nose Day.
 -  The headteacher of a school has been criticized for banning pupils from taking part in Red Nose Day activities.