contribution

noun | con·tri·bu·tion

1. a : shared payment of a judgment by joint tortfeasors especially according to proportional fault — compare apportion a

   b : pro rata apportionment of loss among all the insurance policies covering the same person or property — compare indemnity

2. : the money paid by one responsible for a share

3. : payment to a common fund (as by an employer or employee to an insurance plan or retirement fund)