ramp

(noun) an inclined surface connecting two levels. Synonyms: incline.

(noun) North American perennial having a slender bulb and whitish flowers. Synonyms: wild leek, Allium tricoccum.

(noun) a movable staircase that passengers use to board or leave an aircraft.

(verb) behave violently, as if in state of a great anger. Synonyms: rage, storm.

(verb) furnish with a ramp. Example: "The ramped auditorium."

(verb) be rampant. Example: "The lion is rampant in this heraldic depiction."

(verb) creep up -- used especially of plants. Example: "The roses ramped over the wall."

(verb) stand with arms or forelegs raised, as if menacing.