babe in WordNet English dictionary

1. a very young child (birth to 1 year) who has not yet begun to walk or talk
   "the baby began to cry again"; "she held the baby in her arms"; "it sounds simple, but when you have your own baby it is all so different"
   baby  babe  infant 
   
2. (slang) sometimes used as a term of address for attractive young women
   baby  babe  sister