[n] (pathology) an elevation of the skin filled with serous fluid
\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. --Kirwan.