goat
n.— «In railroad slang, “goat” refers to the smaller locomotives already used in rail yards to transfer railcars from one train to another.» —“Union Pacific invests in low-emission locomotives” in Omaha, Neb. Miami Herald (Florida) Oct. 1, 2004. (source: Double-Tongued Dictionary)
Further reading
What if, instead of being an inanimate object, a dictionary were alive? That’s the idea behind a lavishly illustrated new children’s book called The Dictionary Story (Bookshop|Amazon) by Oliver Jeffers and Sam Winston. This is part of a...
Chad in Hilliard, Florida, wonders about the expression old as Methuselah, meaning “extremely advanced in years.” The phrase references Methuselah, a figure in Jewish, Islamic, and Christian tradition said to be 969 years old when he...