'Insurer' definitions:

Definition of 'insurer'

From: WordNet
noun
A financial institution that sells insurance [syn: insurance company, insurance firm, insurer, insurance underwriter, underwriter]

Definition of 'Insurer'

From: GCIDE
  • Insurer \In*sur"er\, n. One who, or that which, insures; the person or company that contracts to indemnify losses for a premium; an underwriter. Insurgence