Hist. A feudal tenure by knight service due only to the king. - Also spelled sergeanty.
grand serjeanty. Hist. Serjeanty requiring the tenant to personally perform a service to the king, as by carrying the king's banner or sword or officiating at the king's coronation.
petit serjeanty. Serjeanty that either did not have to be performed personally by the tenant or was not personal in nature, such as an annual payment of rent by a bow, sword, arrow, or other war implement.

I think I'll try to pay my rent this month with a bow and arrow. Not an expensive compound bow; maybe a plastic toy set. That bastard slumlord deserves it.