The Collaborative International Dictionary
Knaveship
Knaveship \Knave"ship\, n. A small due, in meal, established by usage, which is paid to the under miller. [Scot.]
Wiktionary
knaveship
n. 1 (context uncountable English) The condition of being a knave (used mockingly) 2 (context countable obsolete Scotland English) A quantity of corn or flour due to a miller's servant from each batch in a thirlage mill