Bulla
WordNet

noun


(1)   The round leaden seal affixed to a papal bull
(2)   (pathology) an elevation of the skin filled with serous fluid
WiktionaryText

Noun


  1. A blister, vesicle, or other thin-walled cavity or lesion.
  2. A clay envelope or hollow ball, typ. with seal impressions or writing on its outside indicating its contents.
  3. In ancient Rome, a kind of amulet or boss.
  4. Later, handwritten document from the papal chancellery.
 
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