sla·lom 
(släləm)
(släləm)n.
1. The act or sport of moving or racing in a zigzag course, as in skiing or kayaking.
2. A race that follows a zigzag course, laid out with markers such as flags.
intr.v. sla·lomed, sla·lom·ing, sla·loms
1. To move or race in a slalom.
2. To water-ski using a single ski designed so the feet are secured one behind the other.
[Norwegian slalåm : slad, sloping + låm, path.]
slalom·er, slalom·ist n.