Baby talk is a form of communication used by infants and young children to express themselves. It is characterized by simplified sounds and words, and is often used to communicate basic needs and emotions. The crossword solutions for the term 'baby talk' are COO (3 letters), LISP (4 letters), DADA (4 letters), GAGA (4 letters), MAMA (4 letters), GOO (3 letters), and GOOGOO (6 letters). These words are all examples of baby talk, and are used by infants and young children to express themselves.