1. Eyeglasses: This is the most common meaning. Spectacles refer to a pair of lenses mounted in a frame, worn on the face to improve eyesight.
2. Public Shows or Events: This meaning is less common but still valid. Spectacles refer to something that is designed to impress or entertain a large audience.
Here are some examples:
* Eyeglasses: "My grandmother always wore her spectacles perched on her nose."
* Public Shows: "The circus was a spectacle of acrobatics and animal displays."
The meaning of "spectacles" will be determined by the context in which it is used.