The terms were precise for a reason. Knowing your falconry terminology attested to your place in society. Just as in the 1930s T. H. White worried about whether a hunting crop should be properly called a hunting whip, or a riding crop, or a riding whip, or just a crop, or a whip, so in the sixteenth century the Jesuit spy Robert Southwell was terrified he’d be found out because he kept forgetting his falconry terms.