Pus (noun)

A thick, opaque, yellowish-white fluid that forms at the site of an infection or wound, consisting of dead white blood cells, microorganisms, and tissue debris.

Origin:

From the latin word "pus" meaning "thick, creamy substance".

Examples:

1. The wound was filled with pus and needed to be drained.
2. The infection caused the formation of a large amount of pus.
3. The pus is usually a sign of infection and needs to be treated.
4. The abscess was filled with pus and needed to be drained.
5. The boil burst and released pus.