Merriam-Webster's Collegiate® Dictionary, 11th Edition
GAUNTLET
I. noun also gantlet
Etymology: Middle English, from Middle French gantelet, diminutive of gant glove, from Old French, of Germanic origin; akin to Middle Dutch want glove, Old Norse vǫttr
Date: 15th century
a glove worn with medieval armor to protect the hand, any of various protective gloves used especially in industry, an open challenge (as to combat), a dress glove extending above the wrist, gauntleted adjective
II. noun also gantlet
Etymology: by folk etymology from gantelope
Date: 1645
1. a double file of men facing each other and armed with clubs or other weapons with which to strike at an individual who is made to run between them, a line, series, or assemblage, a severe trial ; ordeal