knapskull

But at the crowning moment of trial there are those who assert their belief that the woman who on her way to the field of Corrichie had uttered her wish to be a man, that she might know all the hardship and all the enjoyment of a soldier's life, riding forth "in jack and knapskull" -- the woman who long afterward was to hold her own for two days together, without help of counsel, against all the array of English law and English statesmanship, armed with irrefragable evidence and supported by the resentment of a nation -- showed herself devoid of moral and physical resolution; too senseless to realize the significance and too heartless to face the danger of a situation from which the simplest exercise of reason, principle, or courage must have rescued the most unsuspicious and inexperienced of honest women who was not helplessly deficient in self-reliance and self-respect.

The Great Events by Famous Historians, Volume 10 John [Editor] Rudd 1885