wye fitting[′wī ‚fīd·iŋ]
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
Y-fitting, wye fitting
A pipe fitting, 1, one end of which subdivides, forming two openings at an angle, usually 45° to the run of pipe.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.