Abstract
A child master a language through some language acquisition process. After being capable to pronounce vocabulary, child will enter on the stage of semantics acquisition. Semantic acquisition will make a child is able to use the word appropriately according to the context meaning and are also able to interpret a word or sentence spoken by others. Therefore, language acquisition of children, especially in the area of semantics, becomes necessary to be reviewed further. This paper aims to describe the form of the acquisition of semantics in a 4-year-old child. Furthermore, the acquisition of semantic descriptions that are discussed include acquisition in each word class and extant interpretation of its meaning in each word class that appears on a child speech. The research subject is a child named Aisyah, who was 4 years old. The object of the research is speech language of a girl named Aisyah. The study of language acquisition in children using a longitudinal method. As for the data acquisition method using direct observation and participatory observation. A method of data analysis in this study uses the referential methods to analyze meanings.