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

Basinet
Also called bascinet, basnet. An open-faced helmet with a globular or conical skull enclosing the sides of…
Helmet
Armor protecting the head. Comes in many forms.
Pummel
See Pommel.
Falcata
Forward-curving single-edged sword.
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