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First in order of birth; born first.
The child in a family who is born first.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.



1. first in the order of birth; eldest.
2. a firstborn child.
3. a first result or product.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.firstborn - the offspring who came first in the order of birth
offspring, progeny, issue - the immediate descendants of a person; "she was the mother of many offspring"; "he died without issue"
Adj.1.firstborn - first in order of birth; "the firstborn child"
first - preceding all others in time or space or degree; "the first house on the right"; "the first day of spring"; "his first political race"; "her first baby"; "the first time"; "the first meetings of the new party"; "the first phase of his training"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


n. primogénito-a.
English-Spanish Medical Dictionary © Farlex 2012
References in classic literature ?
Her mother heart ached, bereft of its firstborn. Her mind was in an anguish of hopes and fears.
"It is the voice of my firstborn, calling aloud for justice!
To you little Gazan might have seemed a hideous and repulsive creature, but to Taug and Teeka he was as beautiful and as cute as is your little Mary or Johnnie or Elizabeth Ann to you, and he was their firstborn, their only balu, and a he--three things which might make a young ape the apple of any fond father's eye.
12 For I will pass through the land of Egypt this night, and will smite all the firstborn in the land of Egypt, both man and beast; and against all the gods of Egypt I will execute judgment: I am the LORD.
Eigenmann also shared a precious moment between her firstborn Ellie and her baby sister.
Most of Tractate Bekhorot deals with animalsspecifically, the obligation to give the firstborn offspring of every kosher animal (and also donkeys) to a priest.
Harry and Meghan's firstborn, who is seventh in line to the throne, made his world debut with his besotted parents at Windsor Castle yesterday.
The Firstborn Son in Ancient Judaism and Early Christianity: A Study of Primogeniture and Christology
The Duchess of Sussex added that she and the Duke of Sussex won't impose gender stereotypes on their firstborn.
Summary: She scattered her firstborn's ashes on July 19 while gathered with family and friends off the coast of California
Just after Mother's Day, the Ching Ching hitmaker finally introduced her fans to her firstborn child.
06 (ANI): As late legendary actor Sridevi's firstborn, Janhvi Kapoor, turns a year older, her cousin Sonam Kapoor and her mom's dear friend Manish Malhotra have posted heartwarming messages on social media.