From The Collaborative International Dictionary of English v.0.48:
Ramp \Ramp\, n. 1. A leap; a spring; a hostile advance. [1913 Webster]
The bold Ascalonite Fled from his lion ramp. --Milton. [1913 Webster]
2. A highwayman; a robber. [Prov. Eng.] [1913 Webster]
3. A romping woman; a prostitute. [Obs.] --Lyly. [1913 Webster]
4. [F. rampe.] (Arch.) (a) Any sloping member, other than a purely constructional one, such as a continuous parapet to a staircase. (b) A short bend, slope, or curve, where a hand rail or cap changes its direction. [1913 Webster]
5. [F. rampe.] (Fort.) An inclined plane serving as a communication between different interior levels. [1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Ramp \Ramp\ (r[a^]mp), v. i. [imp. & p. p. Ramped (r[a^]mt; 215); p. pr. & vb. n. Ramping.] [F. ramper to creep, OF., to climb; of German origin; cf. G. raffen to snatch, LG. & D. rapen. See Rap to snatch, and cf. Romp.] [1913 Webster] 1. To spring; to leap; to bound; to rear; to prance; to become rampant; hence, to frolic; to romp. [1913 Webster]
2. To move by leaps, or as by leaps; hence, to move swiftly or with violence. [1913 Webster]
Their bridles they would champ, And trampling the fine element would fiercely ramp. --Spenser. [1913 Webster]
3. To climb, as a plant; to creep up. [1913 Webster]
With claspers and tendrils, they [plants] catch hold, . . . and so ramping upon trees, they mount up to a great height. --Ray. [1913 Webster]