Bleb (?), n. [Prov. E. bleb, bleib, blob, bubble, blister. This word belongs to the root of blub, blubber, blabber, and perh. blow to puff.]
A large vesicle or bulla, usually containing a serous fluid; a blister; a bubble, as in water, glass, etc.
Arsenic abounds with air blebs.
© Webster 1913.