Gutters

8 clues
Alley's edges
Lane flankers
Roof channels
Water carriers
Alley boundaries
Kerb-side channels
Rainwater channels
Roof's rainwater channels
Similar answers:
Abaters
Abetters
Abguthrie
Aborters
Acadapters
Accepters
Accouters
Acquitters
Acters
Adapters
Adbusters
Administers
Administershots
Admiralfarragut
Adopters
Aerometers
Afewpointers
Afters
Aftershave
Aftershavelotion