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

Bastard sword
Longsword with a longer handle so it can be held by one or two hands. The blade is usually narrowly pointed and quite slender or…
Kettle hat
Plain metal helmet with a wide brim.
Lammellar
Form of armor. Consist of small metal plates stitched together.
Nasal
Plate defence on early medieval helmets, often riveted to the bottom of the skull to cover the nose and middle of the face.
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