Gorgerin

It required each handgonner to wear a sleeved mail shirt, a gorgerin (armour protecting the throat and neck and made of mail or plate), a sallet (a type of helmet), and a breastplate. He also had to carry a dagger and sword.

Source: wiktionary

She is almost naked; in the heat of the dance her veils have fallen away and her brocade robes slipped to the floor, so that now she is clad only in wrought metals and translucent gems. A gorgerin grips her waist like a corselet, and like an outsized clasp a wondrous jewel sparkles and flashes in the cleft between her breasts; lower down, a girdle encircles her hips, hiding the upper part of her thighs, […]

Source: wiktionary

1992, R. W. Lightbown, Victoria and Albert Museum, Mediaeval European Jewellery: With a Catalogue of the Collection in the Victoria & Albert Museum, Victoria & Albert Publications The gorgerette, or gorgerin, a collar or scarf or fichu whose original purpose had been to protect the neck or the neck and shoulders, was decorated quite early with gold mounts and jewels.

Source: wiktionary

[…] an azure gorgerin already attached to her royal throat, her aigrettes on her head, crosses her courtyard, […]

Source: wiktionary