A cylindrical chamber in the ground lined with stones without mortar that allows liquids to seep out into the soil.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved
A cesspool, 1 in which the solids present are retained and the liquid seeps into the surrounding soil.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.