bulla

Plural: bullae, bullas

Noun

• A large blister or a spherical bubble.
• (pathology) an elevation of the skin filled with serous fluid
• the round leaden seal affixed to a papal bull
• A blister, vesicle, or other thin-walled cavity or lesion, as
• A blister, vesicle, or other thin-walled cavity or lesion, as:
• (usually and especially) Such a blister that is more than 5 mm in diameter.
• A clay envelope or hollow ball, typically with seal impressions or writing on its outside indicating its contents.
• In ancient Rome, a kind of amulet or boss.
• Later, a handwritten document from the papal chancellery.
• Any of several hollow structures as features of bones.
• Any of several hollow structures as features of bones.
• The tympanic part of a temporal bone (having a bubble-like appearance).
• A rich Jamaican cake made with molasses and spiced with ginger and nutmeg.

Examples

• auditory bulla;   ethmoid bulla
• Finding BULLA was a small but satisfying score on the Scrabble board.

Synonyms

bleb, blister

Related Words

bullous