- A bleb; a vesicle, or an elevation of the cuticle,
containing a transparent watery fluid. - The ovoid prominence below the opening of the ear in the
skulls of many animals; as, the tympanic or auditory bulla. - 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. - A genus of marine shells. See Bubble shell.
Definition
[ n.]