What is the meaning of Hurdle?

An artificial barrier, variously constructed, over which athletes or horses jump in a race.

An obstacle, real or perceived, physical or abstract.

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.

A sled or crate on which criminals were drawn to the place of execution.

A piece that is jumped over by a hopper piece.

To jump over something while running.

To compete in the track and field events of hurdles (e.g. high hurdles).

To overcome an obstacle.

To hedge, cover, make, or enclose with hurdles.

To jump over another piece without capturing it.

Misspelling of hurtle.

Misspelling of hurtle.

Source: wiktionary.org