What does ambition mean?
The definition of ambition
Am*bi”tion, n.
Etym: [F. ambition, L. ambitio a going around, especially of candidates for office is Rome, to solicit votes (hence, desire for office or honorambire to go around. See Ambient, Issue.]

1 The act of going about to solicit or obtain an office, or any other object of desire; canvassing. [Obs.] [I] used no ambition to commend my deeds. Milton.
2 An eager, and sometimes an inordinate, desire for preferment, honor, superiority, power, or the attainment of something. Cromwell, I charge thee, fling a way ambition: By that sin fell the angels. Shak. The pitiful ambition of possessing five or six thousand more acres. Burke.

Am*bi”tion, v. t.
Etym: [Cf. F. ambitionner.]

To seek after ambitiously or eagerly; to covet. [R.] Pausanias, ambitioning the sovereignty of Greece, bargains with Xerxes for his daughter in marriage. Trumbull.