The phrase "baby cough" refers to the sound or action of when a baby coughs, which is a symptom of having a cough or an illness.
Sentences with «baby cough»
When babies cough, parents have to know whether it's serious or not. (giantmommy.com)
If the power save mode is enabled, the unit will remain silent until a noise is detected, such as baby coughing or crying. (amazon.co.uk)
A couple of hours later, when my newborn baby coughed up blood and I had to put in a panicked call to the emergency midwife hotline, («It's perfectly normal,» she assured me), I really could have used a medical professional on hand to allay my rising panic. (washingtonpost.com)