bloodstain; blood spot
Refers to a stain or spot of blood, often used in forensic or crime contexts.
Bloodstains remained at the scene.
There is a small bloodstain on the shirt.
A bloodstain remained on the wall at the scene.
The police discovered a bloodstain on the front door.
The forensic officer collected the bloodstain from the scene.
He hurriedly tried to wipe away the bloodstain on the floor.