doughnut

 
Pronunciation: /ˈdəʊnʌt/
(US also donut)

noun

  • a small fried cake of sweetened dough, typically in the shape of a ball or ring.
  • a ring-shaped object, in particular a vacuum chamber in some types of particle accelerator.

Spelling help

The beginning of doughnut is spelled dough- (the spelling donut is American).