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British Dictionary definitions for motherese

motherese

noun
  1. the simplified and repetitive type of speech, with exaggerated intonation and rhythm, often used by adults when speaking to babies
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012