adj. 1. of or pertaining to a neonate; as, neonatal care; a neonatal unit at a hospital. [ WordNet 1.5 ]
2. newly born; recently born. Syn. -- newborn. [ WordNet 1.5 ]
n. A newborn child, especially one less than one month old. Syn. -- baby, babe, infant. [ WordNet 1.5 ]