1 a small usu. sweetened bread roll or cake, often with dried fruit.
2 Sc. a rich fruit cake or currant bread.
3 hair worn in the shape of a bun.
Phrases and idioms:
bun fight Brit. sl. a tea party. have a bun in the oven sl. be pregnant. hot cross bun a bun marked with a cross, traditionally eaten on Good Friday.
Etymology: ME: orig. unkn.
Useful english dictionary. 2012.