chin-piece

Also, because of the bar down the middle, which was connected to the chin-piece, the shock of the blows to my head was distributed in an odd way, such that a lot of the force was going to my jaw.

The Double Life is Twice as Good Jonathan Ames 2009

Also, because of the bar down the middle, which was connected to the chin-piece, the shock of the blows to my head was distributed in an odd way, such that a lot of the force was going to my jaw.

The Double Life is Twice as Good Jonathan Ames 2009

Gisco slipped his fingers under his chin, for the chin-piece of the helmet used in course of time to occasion two callosities there; these were called carobs, and “to have the carobs” was an expression used to denote a veteran.

Salammbo 2003

The berserk was sitting on his horse wearing his helmet, the chin-piece of which was not fastened.

Grettir the Strong, Icelandic Saga Unknown

In many cases a vizor, or other face protection, and a chin-piece are found in addition, so that this piece of armour is sometimes mistaken for an armet (_q. v._), but it can always be distinguished by the projecting brim in front.

Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" Various

I devised an apparatus which consists of a simple cap fitting the head snugly; a cap of soft material fitting the chin; and a piece of elastic webbing tacked to the chin-piece and to the head-cap near the ears.

With Sabre and Scalpel. The Autobiography of a Soldier and Surgeon John Allan 1914

Now that he sat at table he loosened the chin-piece, but he still presented almost the appearance of a masked man, for beneath the eyes was nothing but a confusion of unkempt tawny beard.

Thorkild Viborg 1901