primogenitor: Meaning and Definition of

pri•mo•gen•i•tor

Pronunciation: (prī"mu-jen'i-tur), [key]
— n.
  1. a first parent or earliest ancestor: Adam and Eve are the primogenitors of the human race.
  2. a forefather or ancestor.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also: