What does "mount" mean?

Additional senses

1. 2.3. Etym: [See Mont de piété.] A bank; a fund. Mount of piety. See Mont de piété.
2. 3.To rise on high; to go up; to be upraised or uplifted; to tower aloft; to ascend; -- often with up. Though Babylon should mount up to heaven. Jer. li.
3. 4.The fire of trees and houses mounts on high. Cowley.
4. 5.To get up on anything, as a platform or scaffold; especially, to seat one's self on a horse for riding.
5. 6.To attain in value; to amount. Bring then these blessings to a strict account, Make fair deductions, see to what they mount. Pope.
6. 7.To get upon; to ascend; to climb. Shall we mount again the rural throne Dryden.
7. 8.To place one's self on, as a horse or other animal, or anything that one sits upon; to bestride.
8. 9.To cause to mount; to put on horseback; to furnish with animals for riding; to furnish with horses. "To mount the Trojan troop." Dryden.
9. 10.Hence: To put upon anything that sustains and fits for use, as a gun on a carriage, a map or picture on cloth or paper; to prepare for being worn or otherwise used, as a diamond by setting, or a sword blade by adding the hilt, scabbard, etc.
10. 11.To raise aloft; to lift on high. What power is it which mounts my love so high Shak. Note: A fort or ship is said to mount cannon, when it has them arranged for use in or about it. To mount guard (Mil.), to go on guard; to march on guard; to do duty as a guard. -- To mount a play, to prepare and arrange the scenery, furniture, etc., used in the play.
11. 12.That upon which a person or thing is mounted, as: (a) A horse. She had so good a seat and hand, she might be trusted with any mount. G. Eliot. (b) The cardboard or cloth on which a drawing, photograph, or the like is mounted; a mounting.