- any of a variety of slightly sweetened or plain raised cakes or bisquits, often having a glazing of sugar and milk on the top crust; as, a hot cross bun .
- a type of coiffure in which the hair is gathered into a coil or knot at the top of the head.
- pl.the buttocks.(slang)
Etymology: Scot. bun bunn, OE. bunne bonne; fr. Celtic; cf. Ir. bunna, Gael. bonnach, or OF. bugne tumor, Prov. F. bugne a kind of pancake; akin to OHG. bungo bulb, MHG. bunge, Prov. E. bung heap, cluster, bunny a small swelling