As a Noun: 1. In linguistics, the repetition of all or part of a sign or word. This may be used to modify meaning or to create a new lexical item. English = reduplication Note: 1. The signer in the video is giving a definition in Auslan for the English word REDUPLICATION. Though there is no specific dedicated sign in Auslan for ‘reduplication’, many signers would use one of the signs used for ‘repeat’ found in this dictionary accompanied by mouthing for ‘reduplication’ to specifiy this meaning.