This is the 12839th most frequent Polish word.
nożownik
"Knife attacker" or "knife-wielding assailant."
The term "nożownik" here refers to a person who committed an attack using a knife.
Miasto było w szoku po ataku nożownika.
The city was in shock after the knife attack.
In this sentence, "nożownik" means an individual carrying or using a knife, often with an intent to harm.
Nożownik został szybko schwytany przez policję.
The knife-wielder was quickly apprehended by the police.
Here, "nożownik" is used to indicate a person known for committing an act of violence with a knife, as a central topic of discussion.