n. A defensive garment formerly in use for the body, made of cloth stuffed and quilted.
the GNU version of the Collaborative International Dictionary of English
n. Same as gambison.
The Century Dictionary and Cyclopedia
n. A garment worn originally under the habergeon, made sometimes of leather, sometimes of thick stuff, and even wadded, to guard against bruises which might result from blows received upon the mail.
Word Usage
"I could see the ankle-length gambeson as a great base for any kind of armoured character, honestly."