noun, plural wyes.
  1. the letter Y, or something having a similar shape.
  2. Electricity. a three-phase, Y-shaped circuit arrangement.
  3. Railroads. a track arrangement with three switches and three legs for reversing the direction of a train.

Origin of wye

First recorded in 1855–60; a spelling of the letter name


  1. a river flowing from central Wales through SW England into the Severn estuary. 130 miles (210 km) long.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for wye

Contemporary Examples of wye

Historical Examples of wye

  • "Keep straight as a' arrow and you can't lose your wye," she said.

  • And she remembered that farewell down by the banks of the Wye.

    The Prime Minister

    Anthony Trollope

  • "Kind of size you up," added Mr. Jarley of Wye, raising his eyes.

  • "That's right," said Mr. Jarley of Wye, with a decided emphasis.

  • But was he no' in the Shepherds, or the Oddfellows, or the Masons, or onything that wye?


    (AKA Hugh Foulis) Neil Munro

British Dictionary definitions for wye


  1. a river in E Wales and W England, rising in Powys and flowing southeast into Herefordshire, then south to the Severn estuary. Length: 210 km (130 miles)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012