'neonatal' definitions:

Definition of 'neonatal'

(from WordNet)
adjective
Relating to or affecting the infant during the first month after birth; "neonatal care"; "the neonatal period"

Definition of 'neonatal'

From: GCIDE
  • neonatal \neonatal\ 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]