Origin of birthweight
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- In humans, the first weight of an infant, obtained within the first hour after birth. An infant of birth weight 512 pounds or more is considered full-sized.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.