Main Entry:

bul·la

Pronunciation:

\ˈbu̇-lə\

Function:

noun

Inflected Form(s):

plural bul·lae \ˈbu̇-ˌlē, -ˌlī\

Date:

14th century

1 [Medieval Latin] : the round usually lead seal attached to a papal bull2 [New Latin, from Latin] : a hollow thin-walled rounded bony prominence3: a large vesicle or blister