1. sharing [by another person jointly responsible for injury to a third person] of the amount required to compensate the victim. Someone who is partly responsible for an injury is often entitled to demand contribution from another who is also responsible. The duty generally involves equal sharing of the penalty, but – in some jurisdictions – it may be apportioned among the joint tortfeasors (according to degree of fault).
compare indemnity.
2. In tax law, a tax-deductible contribution is a donation.