neonate

[ nee-uh-neyt ]
/ ˈni əˌneɪt /

noun

a newborn child, or one in its first 28 days.

Origin of neonate

1930–35; neo- + -nate < Latin nātus born; see native
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for neonate

neonate
/ (ˈniːəʊˌneɪt) /

noun

a newborn child, esp in the first week of life and up to four weeks old
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for neonate

neonate
[ nēə-nāt′ ]

n.

A neonatal infant.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.