1. The pivoted or swinging bar to which the traces of a harnessed horse are fixed; a whiffletree

Derived forms: singletrees

• birch
• birch beer
• birch family
• birch leaf miner
• birch oil
• birch rod
• Chinese cinnamon
• Chinese cork oak
• Chinese date
• Chinese deity
• Chinese elm
• Chinese evergreen
• Chinese forget-me-not
• Chinese fried rice
• Chinese goose
• Chinese gooseberry
• Chinese hibiscus
• Chinese holly
• Chinese jujube
• Chinese lacquer tree
• Chinese lantern
• Chinese lantern plant
• Chinese magnolia
• Chinese monetary unit
• Chinese mushroom