A trellis or archway supporting climbing plants; SYN. arbour, bower, pergola. Main shaft or beam; spindle or axle (of wheel).
1. A spindle or axle of a wheel
2. A main shaft or beam
3. A shaft on which a revolving cutting tool is mounted
4. A spindle on a cutting machine that holds the work to be cut

See arbor.

Anchor carried at bow of a ship.
1. An attractive dwelling or retreat
2. A lady's private apartment in a medieval hall or castle
3. A shelter (as in a garden) made with tree boughs or vines twined together; arbor

A house (usually in the country) that provides a cool place in the summer.