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
The word filibuster has a long and colorful history, going back to the days when pirates roamed the high seas. Today it refers to hijacking a piece of legislation. Plus, the language of yoga teachers: When doing a guided meditation, you may hear...
Debbie from Crawfordsville, Florida, says that when she and her husband reach an impasse while working on something, they’ll say Let’s grok about it, which they use to mean “Let’s think about it.” Grok was coined by...