Bo-bo

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A wheel arrangement for diesel and electric locomotives signifying that a locomotive has four axles, each powered by a motor, on two bogies.

    "The Lötschberg had always been in the forefront of electric locomotive development and their 4,000 h.p. Bo-Bo design, introduced in 1944, was the first of its particular type in Europe, if not in the world. Shortly afterwards in 1946, the very successful Swiss Federal Bo-Bo type was introduced and for many years undertook the working of the high speed lightweight trains over the Geneva-Zurich, Geneva-Basle and other main lines."

Example

More examples

"The Lötschberg had always been in the forefront of electric locomotive development and their 4,000 h.p. Bo-Bo design, introduced in 1944, was the first of its particular type in Europe, if not in the world. Shortly afterwards in 1946, the very successful Swiss Federal Bo-Bo type was introduced and for many years undertook the working of the high speed lightweight trains over the Geneva-Zurich, Geneva-Basle and other main lines."

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.