Assertion: sewer | /r/HasProperty | system
Facets:
Source sentences:
text: As nouns the difference between drain and sewer is that drain is a conduit allowing liquid to flow out of an otherwise contained volume while sewer is a pipe or system of pipes used to remove human waste and to provide drainage or sewer can be a servant attending at a meal, responsible for seating arrangements, serving dishes etc or sewer can be one who sews.