Available Definitions:
1) n. - The conduct or practices of one who rats. See Rat , v. i., 1.
2) v. i. - The low sport of setting a dog upon rats confined in a pit to see how many he will kill in a given time.
3) n. - One who deserts his party or associates; hence, in the trades, one who works for lower wages than those prescribed by a trades union.
4) v. i. - In English politics, to desert one's party from interested motives; to forsake one's associates for one's own advantage; in the trades, to work for less wages, or on other conditions, than those established by a trades union.
5) v. i. - To catch or kill rats.