noun
snot
SNAHT/snɑːt/
Nasal mucus.
The child blows into a tissue, leaving snot on it.

Etymology
Old English gesnot already meant nasal mucus, so the meaning has remained stable. Its connection with snout places it in a wider family of words relating to the nose.
In context
But that's really good. What does snot do? It traps germs. It catches dust. It keeps your nose wet.
More examples
- My nose is full of snot from this cold.
- She gently wipes the snot from the baby's nose.
- He washes the snot off his hands with soap.
Forms
snot
snotty adjective — Covered with or containing nasal mucus.