firstborn

[ furst-bawrn ]
/ ˈfɜrstˈbɔrn /

adjective

first in the order of birth; eldest.

noun

a firstborn child.
a first result or product.

Origin of firstborn

Middle English word dating back to 1300–50; see origin at first, born
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for first-born

British Dictionary definitions for first-born

first-born

adjective

eldest of the children in a family

noun

the eldest child in a family
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