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. Now, one who agists or takes in cattle to pasture at a certain rate; a pasturer.
Vogais: aio
Consoantes: gstr
agistator, agister, astor, agitator, assistor, acquisitor, actor, assister, aster, astir.