spectacle

noun

1. 1

   An exciting or extraordinary scene, exhibition, performance etc.

   “The horse race was a thrilling spectacle.”

2. 2

   An embarrassing or unedifying scene or situation.

   “He made a spectacle out of himself.”

3. 3

   (usually in the plural) An optical instrument consisting of two lenses set in a light frame, and worn to assist sight, to obviate some defect in the organs of vision, or to shield the eyes from bright light.

4. 4

   An aid to the intellectual sight.

5. 5

   A spyglass; a looking-glass.

6. 6

   The brille of a snake.

7. 7

   A frame with different coloured lenses on a semaphore signal through which light from a lamp shines at night, often a part of the signal arm.