Vagitus is a medical term that refers to the sound made by a newborn baby crying. However, there are several other synonyms that describe this sound. One such synonym is wail, which is often used to describe a loud involuntary cry. Another synonym is bawl, which is similar to wail but has a more prolonged sound. Squall is also another synonym used to describe a loud crying sound. Other common synonyms for vagitus include screech, howl, shriek, and yowl. Each of these synonyms can be used to describe the sound of a newborn baby crying, but they may be used differently depending on the context in which they are used.