See Ceding Company.
An insurance company buying reinsurance cover
A ceding insurer or ceding reinsurer. A ceding insurer is an insurer that underwrites and issues an original, primary policy to an insured and contractually transfers (cedes) a portion of the risk to a reinsurer. A ceding reinsurer is a reinsurer which transfers (cedes) a portion of the underlying reinsurance to a retrocessionnaire.
A ceding insurer or reinsurer. Ceding means to contractually transfer a portion of a risk or risks to a reinsurer.
Since shares of risks are ceded under proportional treaties, the reinsured is often referred to as the "cedant", the "cedent" or the "ceding company".