Webster's Revised Unabridged Dictionary · 1913

Reinsure

Reinsure (-sh?r") , transitive verb

1.
To insure again after a former insurance has ceased; to renew insurance on.
2.
To insure, as life or property, in favor of one who has taken an insurance risk upon it.
The insurer may cause the property insured to be reinsured by other persons. — Walsh