1) British television soap opera 2) Channel 4 television drama 
Brookside was a British soap opera set in Liverpool, England. The series began on the launch night of Channel 4 on 2 November 1982, and ran for 21 years until 4 November 2003. Originally intended to be called Meadowcroft, the series was produced by Mersey Television and it was conceived by Phil Redmond who also devised Grange Hill (1978–2008) an...
• (n.) The bank of a brook.
Brook'side` noun The bank of a brook.