A banshee is a female spirit in Irish mythology that's known for screaming loudly.
In stories and folklore, a banshee is often mentioned as a harbinger of death - someone who predicts when a family member will die. This means you might hear about a banshee if you're reading or watching something set in Ireland where there's a mysterious figure warning people of impending doom.
(Scotland, Ireland, folklore) A female spirit, usually taking the form of a woman whose mournful wailing warns of an impending death.
