‖n.; pl. Bullæ [ L. bulla bubble. See Bull an edict. ] 1. (Med.) A bleb; a vesicle, or an elevation of the cuticle, containing a transparent watery fluid. [ 1913 Webster ]

2. (Anat.) The ovoid prominence below the opening of the ear in the skulls of many animals; as, the tympanic or auditory bulla. [ 1913 Webster ]

3. A leaden seal for a document; esp. the round leaden seal attached to the papal bulls, which has on one side a representation of St. Peter and St. Paul, and on the other the name of the pope who uses it. [ 1913 Webster ]

4. (Zool.) A genus of marine shells. See Bubble shell. [ 1913 Webster ]

n. [ OE. bolas, bolace, OF. beloce; of Celtic origin; cf. Arm. bolos, polos, Gael. bulaistear. ] (Bot.) (a) A small European plum (Prunus communis, var. insitita). See Plum. (b) The bully tree. [ 1913 Webster ]

a. [ See Bull an edict. ] Pertaining to, or used in, papal bulls. Fry. [ 1913 Webster ]

Bullantic letters, Gothic letters used in papal bulls. [ 1913 Webster ]

n.; pl. Bullaries [ Cf. Boilary. ] A place for boiling or preparing salt; a boilery. Crabb. [ 1913 Webster ]

And certain salt fats or bullaries. Bills in Chancery. [ 1913 Webster ]

n. [ LL. bullarium: cf. F. bullairie. See Bull an edict. ] A collection of papal bulls. [ 1913 Webster ]

a. [ L. bullatus, fr. bulla bubble. ] (Biol.) Appearing as if blistered; inflated; puckered. [ 1913 Webster ]

Bullate leaf (Bot.), a leaf, the membranous part of which rises between the veins puckered elevations convex on one side and concave on the other. [ 1913 Webster ]