fever blister

noun

1. cold sore.

fever blister

noun

1. another name for cold sore

Word History and Origins

Origin of fever blister¹

First recorded in 1880–85

Example Sentences

Q. I believe the herpes virus that causes cold sores or fever blisters is similar to the virus causing shingles.

From Seattle Times

People who haven’t had fever blisters might not understand that urgency.

From Seattle Times

It appears as if a fever blister has taken over the monster’s entire head, rather than just the lips.

From New York Times

If you get fever blisters on your lips, they may be more likely to make an appearance this time of year.

From Time

And should they ask any questions about that, I intended telling them I had some fever blisters on my mouth, etc.

From Project Gutenberg