[blis.ter] n [ME, modif. of OF or MD; OF blostre leprous nodule, fr. MD bluyster blister; akin to OE blaest blast] (14c) 1: an elevation of the epidermis containing watery liquid
2: an enclosed raised spot (as in paint) resembling a blister
3: an agent that causes blistering
4: a disease of plants marked by large swollen patches on the leaves
5: any of various structures that bulge out (as a gunner's compartment on a bomber) -- blis.tery adj
[2]blister vb blis.tered ; blis.ter.ing vi (15c): to become affected with a blister ~ vt 1: to raise a blister on
2: lambaste
2.