planchePronunciation: /plɑːntʃ, plɑːnʃ/Entry from World dictionaryDefinition of planche noun (in gymnastics) a position in which the body is held parallel with the ground by the arms, performed on the parallel bars, rings, or floor. Origin: early 20th century: French, literally 'plank'planche in other Oxford dictionaries Definition of planche in the British & World English dictionary