What does MOUNT mean?

verb

1. attach to a support“They mounted the aerator on a floating”
2. go up or advance“Sales were climbing after prices were lowered”
3. fix onto a backing, setting, or support“mount slides for macroscopic analysis”
4. put up or launch“mount a campaign against pornography”
5. get up on the back of“mount a horse”
6. go upward with gradual or continuous progress“Did you ever climb up the hill behind your house?”
7. prepare and supply with the necessary equipment for execution or performance“mount a theater production”
8. copulate with“The bull was riding the cow”