singletree

/ˈsɪŋɡəlˌtri/
noun
  1. A horizontal bar on a horse-drawn vehicle or plow that connects the harness to the load, allowing the animal to pull evenly.
    • He replaced the old singletree because the wood had cracked from years of use.
    • Before tractors, every wagon had a singletree to distribute the pulling force.
    • The farmer attached the singletree to the plow so the horse could pull it straight.
What does "singletree" mean? | whatsthatwordmean | whatsthatwordmean