[un.der.write] vb -wrote ; -writ.ten ; -writ.ing vt (15c) 1: to write under or at the end of something else
2: to set one's name to (an insurance policy) for the purpose of thereby becoming answerable for a designated loss or damage on consideration of receiving a premium percent: insure on life or property; also: to assume liability for (a sum or risk) as an insurer
3: to subscribe to: agree to
4. a: to agree to purchase (as security issue) usu. on a fixed date at a fixed price with a view to public distribution b: to guarantee financial support of ~ vi: to work as an underwriter