1. a wooden bar to which the traces of a horse’s harness are attached when pulling a vehicle or implement
Usage: historical; farming equipment

Examples

• The farmer attached the plow to the singletree before hitching up the horse.
• The old wagon’s singletree was made of sturdy oak wood.
• He repaired the cracked singletree with metal brackets.
• The museum displayed a collection of antique singletrees used in 19th-century farming.
• The horse pulled against the singletree as it dragged the heavy load.
• Without a proper singletree, the harness traces would tangle during work.