Webster's Revised Unabridged Dictionary · 1913

Contributory

Contributory , adjective

Contributing to the same stock or purpose; promoting the same end; bringing assistance to some joint design, or increase to some common stock; contributive. — Milton
Bonfires of contributory wood. — Chapman
Collocations (1)
Contributory negligence (Law) , negligence by an injured party, which combines with the negligence of the injurer in producing the injury, and which bars recovery when it is the proximate cause of the injury. — Wharton

Contributory ({not transcribed}) , noun

One who contributes, or is liable to be called upon to contribute, as toward the discharge of a common indebtedness. — Abbott