blister
C1Substantiv/US /blˈɪstɚ/ BLĬST-ər; UK /blˈɪstɚ/ BLĬST-ər/
A vesicle of the skin, containing watery matter or serum, whether occasioned by a burn or other injury, or by a vesicatory; a collection of serous fluid causing a bladderlike elevation of the cuticle.
