A scabbard is a protective case or sheath, usually made of leather or metal, that holds a sword or knife when it's not being used. Think of it like a holster for a blade. Knights and soldiers wore scabbards attached to their belts so they could carry their swords safely and draw them quickly when needed.

Without a scabbard, carrying a sharp blade would be dangerous for everyone nearby. The scabbard keeps the blade from cutting through clothing or injuring people accidentally. It also protects the weapon itself from rust, damage, and dirt.

Scabbards often had decorative designs that showed the owner's wealth or rank. A king's scabbard might be covered in jewels and gold, while a common soldier's would be plain and practical. Some scabbards had metal tips called chapes to protect the bottom from wear.

When someone draws their sword from its scabbard, it can make a distinctive metallic sound you've probably heard in movies. Returning the sword to the scabbard is called sheathing it, a sign that the fight is over or that the warrior means no harm.