conventional mortgage loan

Short definition from Wiktionary

Noun

1. 1
   A fixed- or adjustable-rate, fully amortized loan secured by a mortgage or deed of trust that is not insured or guaranteed by an agency of the federal government (such as FHA or VA). (Source: Office of Thrift Supervision https://web.archive.org/web/20060618191009/http://www.ots.treas.gov/glossary/gloss-c.html)