The Haustement or Ajustement, […] was made to the shape and worn with the shirt […] The doublet and haustement of this period supplied the place of the wambais and hoqueton formerly worn . 2. The doublet must be streightly bounde . The first part of the dress being thus put on , it is to be closely bound round the ...
Source: wiktionary
A Pair of Plates consisted of the breast and back, each formed of three or more pieces; Gyders were straps to draw together the open parts; the Haustement, a stiff under garment to keep the body straight and erect; the Rerebrace ...
Source: wiktionary
A maniple, i.e. many folds, a name for the haustement worn in the time of Hen. VI under the armour.
Source: wiktionary
Gusset, pieces of chain mail, tied with points to the "haustement" to cover those portions of the body not protected with plate armour; they were usually eight in number, viz. for armpits, […]
Source: wiktionary