Underwriter

underwriter n. a company or person which/who underwrites an insurance policy, issue of corporate securities, business, or project. (See: underwrite)

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UNDERWRITER, insurances. One who signs a policy of insurance, by which he becomes an insurer.
     2. By this act he places himself as to his responsibility, in the place of the insured. He may cause a re-insurance (q.v.) to be made for his benefit; and it is his duty to act with good faith, and, without quibbling, to pay all just demands against him for losses. Marsh. Ins. 45,