Function: noun
Date: 1870
: a group of fluid-filled blisters appearing about or within the mouth that are caused by a herpes simplex virus and upon rupturing form crusts ― called also fever blister ― compare CANKER SORE
Function: noun
Date: 1870
: a group of fluid-filled blisters appearing about or within the mouth that are caused by a herpes simplex virus and upon rupturing form crusts ― called also fever blister ― compare CANKER SORE
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012