bag trap[′bag ‚trap]
An S-shaped trap in which the vertical inlet and outlet pipes are in alignment.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
trap, 1 in which the vertical inlet and outlet pipes are in alignment.An S-shaped
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.