Tavadi (Georgian: თავადი, "prince", lit. "head/chief" [man], from Georgian: თავი tavi, "head", with the prefix of agent -di) was a feudal title in Georgia first applied in the Late Middle Ages usually translated in English as Prince (most commonly) and Duke (less commonly). The title was designated for dynastic princes who were heads of families, akin to mtavari who had a higher standing.
History
The tavadis were subordinates and vassals of the kings, queens, mtavaris and batonishvilis but had administrative, judicial and tax immunities in their dominions and had their own military forces. The lower noble feudal class of Georgia had the title of aznauri who were subordinates of tavadis.