slalom

Concise Oxford English Dictionary © 2008 Oxford University Press:
slalom /ˈslɑːləm/

▶noun a ski race down a winding course marked out by poles.

■ a canoeing or sailing race over a similar course.

▶verb move or race in a winding path, avoiding obstacles.

– derivatives
slalomer noun.

– origin 1920s: from Norw., lit. ‘sloping track’.