1. Tree: This is the most common meaning of the word "arbor." It can refer to a single tree, especially a large or mature one. It is often used in phrases like "shade arbor" or "fruit arbor."
2. Latticework Structure: "Arbor" can also refer to a structure made of latticework, usually covered in vines or other climbing plants. This is often used to create a shaded walkway or seating area.
3. Arbor Press: In engineering, an "arbor press" is a type of machine tool that uses a hydraulic press to create a force onto an arbor. This is used to press bearings into or out of a workpiece.
4. Shaft: An "arbor" can also refer to a shaft that holds cutting tools, particularly in woodworking machinery.
5. Arbor Day: This is a special day dedicated to planting trees, usually observed in April.
The specific meaning of "arbor" will depend on the context of the sentence or phrase in which it is used.