| Definition -
The traditional term for the style of speech used by people when they are speaking to babies. It consists, for example, of short sentences, repetition, and a simplied vocabulary, and it is usually delivered with a high-pitched, cooing intonation.
1. The more politically-correct and scientific-sounding term child-directed speech is replacing it amongst child-care professionals and academics.
Example - Baby want drinky? Oopsie!
Oxford English Dictionary - The term's first citation is from 1836:
"A baby…[is] such an interruption…to any conversation but *baby-talk."
(F. A. Kemble Let. 1 Mar. in Rec. of Later Life (1882) I. 43)