brownfield

Short definition from Wiktionary

Noun

1. 1
   A site, to be used for housing or commerce, that has been previously used for industry and may be contaminated or need extensive clearing.

Adjective

1. 1
   Being a development that has to integrate with legacy systems.

Proper noun

1. 1
   A surname.
2. 2
   A hamlet in the County of Paintearth, No. 18, Alberta, Canada.
3. 3
   A town in Oxford County, Maine, United States.
4. 4
   An unincorporated community in Laclede County, Missouri, United States.
5. 5
   A city, the county seat of Terry County, Texas, United States.