v. 1 ascend; climb onto. 2 a get up on (a horse etc.) to ride it. b set on horseback. c (as mounted adj.) serving on horseback (mounted police). 3 a (often foil. by up) accumulate. b (of a feeling) increase. 4 (often foil. by on, in) set (an object) on a support or in a backing, frame, etc., esp. for viewing. 5 organize, arrange, set in motion (a play, exhibition, attack, guard, etc.). 6 (of a male animal) get on to (a female) to copulate. n. 1 backing, etc. on which a picture etc. is set for display. 2 horse for riding. 3 setting for a gem etc. [Latin: related to MOUNT]
