A blister, vesicle, or other thin-walled cavity or lesion, as
A rich Jamaican cake made with molasses and spiced with ginger and nutmeg.
In ancient Rome, a kind of amulet or boss.
(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.
Later, a handwritten document from the papal chancellery.
The tympanic part of a temporal bone (having a bubble-like appearance)
An abnormal growth protruding from a mucous membrane.
A cylindrical coelenterate, such as the hydra, having a mouth surrounded with tentacles.