'Firstborn' definitions:

Definition of 'firstborn'

(from WordNet)
adjective
First in order of birth; "the firstborn child" [syn: firstborn, eldest]
noun
The offspring who came first in the order of birth [syn: firstborn, eldest]

Definition of 'Firstborn'

From: GCIDE
  • Firstborn \First"born`\, a. First brought forth; first in the order of birth; eldest; hence, most excellent; most distinguished or exalted; as, the firstborn child.
  • Syn: eldest. [1913 Webster]

Definition of 'firstborn'

From: GCIDE
  • firstborn \firstborn\ n. The first child born to a parent; as, his firstborn was showered with gifts from relatives.
  • Syn: eldest. [PJC]

Definition of 'firstborn'

From: Easton
  • First-born sons enjoyed certain special privileges (Deut. 21:17; Gen. 25:23, 31, 34; 49:3; 1 Chr. 5:1; Heb. 12:16; Ps. 89:27). (See BIRTHRIGHT.)
  • The "first-born of the poor" signifies the most miserable of the poor (Isa. 14:30). The "church of the first-born" signifies the church of the redeemed.
  • The destruction of the first-born was the last of the ten plagues inflicted on the Egyptians (Ex. 11:1-8; 12:29, 30).
  • Menephtah is probably the Pharaoh whose first-born was slain. His son did not succeed or survive his father, but died early. The son's tomb has been found at Thebes unfinished, showing it was needed earlier than was expected. Some of the records on the tomb are as follows: "The son whom Menephtah loves; who draws towards him his father's heart, the singer, the prince of archers, who governed Egypt on behalf of his father. Dead."