vesicate
Concise Oxford English Dictionary © 2008 Oxford University Press:
vesicate /ˈvɛsɪkeɪt, ˈviː-/
▶verb chiefly Medicine blister.
– derivatives
vesication noun,
vesicatory adjective & noun.
vesication noun,
vesicatory adjective & noun.
– origin C17: from late L. vesicat- ‘having pustules’, from vesica ‘bladder’.
'vesicate' also found in these Oxford entries:

