1. A type of early bicycle:
* This is the most common meaning. The boneshaker was a precursor to the modern bicycle, invented in the 1860s. It had a large front wheel and a small rear wheel, making it very uncomfortable to ride. The name "boneshaker" comes from the jarring ride experienced by riders, especially on rough roads.
2. A type of large, powerful motorcycle:
* This is a less common usage, and often refers to a specific type of Harley Davidson motorcycle. The name "boneshaker" can be used to describe any large, powerful motorcycle that creates a lot of vibration.
3. A colloquial term:
* Sometimes, "boneshaker" is used as a general term for any vehicle that is uncomfortable or bumpy to ride. This can be a car, a train, or even a horse.
To understand the meaning of "boneshaker" in a specific context, you need to consider the sentence it is used in.
If you have more context, I can help you determine the specific meaning!