Contingent fee
Defined in 2 dictionaries — Ballentine's (1916), Black's (1910)
Ballentine's Law Dictionary
James A. Ballentine · 1916
An attorney’s fee made dependent upon the outcome of the suit.
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
A fee stipulated to be paid to an attorney for his services in conducting a suit or other forensic proceeding only in case he wins it; it may be a percentage of the amount recovered.
Defined under Fee in Black's Law Dictionary.