{ } n. [ 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. ] 1. 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. [ 1913 Webster +PJC ]

2. a type of coiffure in which the hair is gathered into a coil or knot at the top of the head. [ PJC ]

3. pl. the buttocks. [ slang ] [ PJC ]

n. See Bun. [ 1913 Webster ]

n. See Bunyon. [ 1913 Webster ]

n. (Mining) A great collection of ore without any vein coming into it or going out from it. [ 1913 Webster ]

n. A pet name for a rabbit or a squirrel. [ 1913 Webster ]