I. ˈslä-ləm noun
Usage: often attributive
Etymology: Norwegian slalåm, literally, sloping track
Date: 1921
1. : skiing in a zigzag or wavy course between upright obstacles (as flags)
2. : a timed race (as on skis or in an automobile or kayak) over a winding or zigzag course past a series of flags or markers ; broadly : movement over a zigzag route
II. intransitive verb
Date: 1932
: to move over a zigzag course in or as if in a slalom