l-uh, buhl-uh]
l-ee, buhl-ee]
. | 1. | a seal attached to an official document, as a papal bull. |
| 2. | an ancient Roman pendant, consisting of a rounded box containing an amulet. |
| 3. | Pathology. a large vesicle. |
| 4. | Zoology. a blisterlike or bubblelike prominence of a bone, as that of the tympanic bone in the skull of certain mammals. |

bul·lae (bŏŏl'ē) n. Plural of bulla. |
bulla bul·la (b&oobreve;l'ə)
n. pl. bul·lae (b&oobreve;l'ē)
A large blister or vesicle of pathological origin.
A bubblelike structure.