(from the article `Nordheim, Sondre`) ...jumping competition, held at Telemark in 1866. He also designed skis with incurving sides, the prototype for modern skis. He developed basic ... Found on http://www.britannica.com/eb/a-z/c/79
former name of · (sometimes l.c.) Also calledany of several skiing turns executed in order to change direction on a downhill run or for decreasing speed or stopping, esp. a turn in which the body is swung around with the skis kept parallel. Found on https://www.infoplease.com/dictionary/christiania