treble-heading

noun

The use of three locomotives at the front, or head, of a train.

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Meanings

nountreble-heading (uncountable)
  1. uncountablerail transportThe use of three locomotives at the front, or head, of a train.

    Treble-heading was again recorded on the Highland line on September 2 when the 3 p.m. and 5 p.m. from Inverness both passed Pitlochry with three Type 2 diesels.

    1962 November, “Motive power miscellany: Scottish Region”, in Modern Railways, page 354
Cite this entry
APA

treble-heading. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/treble-heading

MLA

“treble-heading.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/treble-heading. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “treble-heading,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/treble-heading.

Source: treble-heading on Wiktionary, CC BY-SA 4.0.