What does the word sewage mean?

Usage examples for sewage

  1. The sewage is applied directly to the land, and so becomes a source of wealth instead of being emptied into great subterranean reservoirs, to generate poisonous gases, which by a most ingenious arrangement, are then poured forth into the very heart of our dwellings, as is the case in the great cities. – In-Darkest-England-and-the-Way-Out by Booth, William
  2. There was a narrow, cobbled path on Manhattan, with sewage oozing down the ditch in its center, which was still Fifth Avenue. – The Barbarians by John Sentry