n.
Pronunciation: ' blis-t ə r
Function: noun
Etymology: Middle English blister, blester, probably from Old English *blýster, *bl ǣ ster; akin to Old Norse bl ā str swelling, Old English bl ǣ st blast
Date: 14th century
1 : an elevation of the epidermis containing watery liquid
2 : an enclosed raised spot (as in paint) resembling a blister
3 : an agent (as lewisite) that causes blistering
4 : a fungal disease of plants marked by raised patches on the leaves
5 : any of various structures that bulge out (as a gunner's compartment on a bomber)
– blis · tery \ -t( ə -)r ē \ adjective