%agistor%

{ } n. [ Anglo-Norman agistour. ] (Law) (a) Formerly, an officer of the king's forest, who had the care of cattle agisted, and collected the money for the same; -- hence called gisttaker, which in England is corrupted into guest-taker. (b) Now, one who agists or takes in cattle to pasture at a certain rate; a pasturer. Mozley & W. [ 1913 Webster ]