nounB2Very rare — outside the 30,000 commonest English words, so you will meet it in writing rather than in speechToo rare in one of the two pools to compare — fewer than 20 uses in speech or in writing
Showjumping is a contest of riding a horse over fences. Compete in showjumping.
Faults are given for a knocked pole or a refusal, and time decides between clear rounds. Showjumping fences fall easily on purpose, which protects the horse rather than testing it less.