Encyclopedia of historical weapons - Boss

Also umbo. The round shaped piece of metal at the center of a shield. Protects the hand.

Encyclopedia of historical weapons

From Encyclopedia

Backplate
Plate armour defence for the back.
Falchion
Single-edged sword with a heavy and towards the tip widening blade. Similar to a meat cleaver. Used mostly by infantry. Balanced…
Hauberk
Long (up to knees or longer) coat of mail with originally long sleeves and later sleeves ending in mail mittens.
Shield
Defensive article. Has many shapes and sizes. Usually made of wood or metal and a covering such as a leather. Has a handle or several straps to get…
More

SSL Certificate Authority
SSL Certificate Authority