feudatory /ˈfjuːdətəɹɪ/noun 3adjective 1forms 1 noun3 •A feudal vassal. •A feudal territory, a fief.Henry VII granted a privilege in 1309 endorsing the three valleys as self-governing rural feudatories forming their own imperial bailiwick directly under him. — 2016 •A fee paid by such a vassal to hold land. adjective1 •Relating to feudalism, feudal. formsfeudatories