ski jump

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A jump or leap made by a skier, especially one in which the skier is judged on both form and the distance jumped.
• noun A course or chute prepared for such a jump, especially one that ends in a platform used for takeoff.
• intransitive verb To execute a ski jump.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun skiing The ramp used in the sport of ski jumping
• noun skiing A course prepared for ski jumping.
• noun skiing A jump made in ski jumping.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a steep downward ramp from which skiers jump
• verb jump on skis