1. a firstborn child.
  2. a first result or product.

Origin of firstborn

Middle English word dating back to 1300–50; see origin at first, born Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for firstborn

Contemporary Examples of firstborn

Historical Examples of firstborn

  • Come here, Philip—my own Philip—my son, my hope, my firstborn!

    Night and Morning, Complete

    Edward Bulwer-Lytton

  • He stopped and covered his ears to close out the cry of his firstborn.

    The Hoofer

    Walter M. Miller

  • What a man must sacrifice was what he loved most, and that was his firstborn child.


    William Graham Sumner

  • They took my son, my firstborn, and I was silent, though it brake my heart.

  • And when she put my firstborn son into my arms, I had no high thoughts.