Meaning of the word "cold sore" in English

What does "cold sore" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

cold sore

US /ˈkoʊld sɔːr/
UK /ˈkoʊld sɔːr/
"cold sore" picture

Noun

1.

a small blister or group of blisters on the lips or around the mouth, caused by the herpes simplex virus

Example:
She woke up with a painful cold sore on her lip.
Applying an antiviral cream can help treat a cold sore.
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