ˈgambəsən, -bəzən noun
( -s )
Etymology: Middle English gambesoun, from Middle French gambeson, gambeison, from Old French, aug. of gambais, of Germanic origin; akin to Old High German wamba belly — more at womb
: a medieval garment of stuffed and quilted cloth or leather originally worn under the hauberk as a pad but later used alone as a defensive garment