HURDLE

noun

1. An artificial barrier, variously constructed, over which athletes or horses jump in a race.
2. A perceived obstacle.
3. A movable frame of wattled twigs, osiers, or withes and stakes, or sometimes of iron, used for enclosing land, for folding sheep and cattle, for gates, etc.; also, in fortification, used as revetments, and for other purposes.

verb

1. To jump over something while running.
2. To compete in the track and field events of hurdles (e.g. high hurdles).
3. To overcome an obstacle.