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

Annellet
The small loops leading from quillions to the blade. Made to protect the finger wrapped over the guard.
Greave
Also called schynbald or jamber. Plate defence for the leg from knee to ankle, initially pro­tecting only the front, but…
Lame
A narrow strip or plate of steel, sometimes used in armour to provide articulation.
Novacula
Sickle-like tool consisting of a tanged, iron head fitted into a wooden handle. 
More

SSL Certificate Authority
SSL Certificate Authority