- The definition of a bough is the branch of a tree.
An example of bough is the branch of a cherry tree.
A childs hands hanging from the bough of a tree.Licensed from iStockPhoto
Origin: Middle English ; from Old English bog, shoulder or arm, hence twig or branch ; from Indo-European an unverified form bhāgus, elbow and forearm from source bow
Used by arrangement with John Wiley & Sons, Inc.
Origin: Middle English, from Old English bōh; see bhāghu- in Indo-European roots.