the behavior, vocation, or character of a knight-errant
2.
quixotic conduct or action
Word origin
[1645–55; knight-errant + -ry]This word is first recorded in the period 1645–55. Other words that entered Englishat around the same time include: cruise, halftone, regulator, simmer, soup-ry is a suffix of nouns denoting occupation, business, calling or condition, place orestablishment, goods or products, things collectively, qualities, actions, etc. Otherwords that use the affix -ry include: avowry, bottomry, casuistry, press-agentry, registry