The Collaborative International Dictionary of English v.0.48:
Gige \Gige\ (g[i^]j or g[=e]j), Guige \Guige\, n. [OF. guide, guiche.] (Anc. Armor) The leather strap by which the shield of a knight was slung across the shoulder, or across the neck and shoulder. --Meyrick (Ancient Armor). [1913 Webster]