Suff

=

Drain / Sough / Gully

In the black country we say:

Suff

This translates to:

Drain / Sough / Gully

Example Sentence
The water runs away down the suff.
Description
'Suff' (from 'sough') is a Black Country dialect word for a drain, culvert, or an underground channel for water, particularly in mining areas.