a gauntlet for protecting the left hand when holding the reins of a horse.
Origin of manifer
alteration of Middle French main-de-fer hand of iron
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for manifer
Historical Examples of manifer
The bridle-hand of the rider wears the Manifer (main-de-fer).Armour & Weapons
Charles John Ffoulkes