Available Definitions:
1) n. - Formerly, the taking and feeding of other men's cattle in the king's forests.
2) n. - The taking in by any one of other men's cattle to graze at a certain rate.
3) n. - The price paid for such feeding.
4) n. - A charge or rate against lands; as, an agistment of sea banks, i. e., charge for banks or dikes.