A-ġĭst'a-tor or A-ġĭst'er or A-ġĭst'or, n.

n. [L. Lat. agistator.] (Law.) (a.) An officer of the king's forest, who has the care of cattle agisted, and collects the money for the same;—hence called gist-taker, which in England is corrupted into guest-taker. (b.) One who agists or takes in cattle and horses to pasture at a certain rate. Story. Bouvier. Blount.