Genesis 21:3

3 and Abraham calleth the name of his son who is born to him, whom Sarah hath born to him -- Isaac;

Genesis 21:3 Meaning and Commentary

Genesis 21:3

And Abraham called the name of his son that was borne unto
him, whom Sarah bare to him, Isaac.
] Which is the name he was directed to give him, ( Genesis 17:19 ) ; and he remembers the order, and is obedient to it; the reason of which name, which signifies laughter, was on account of his laughing for joy at the promise made him, as well as there might be afterwards a further reason for it, from Sarah's laughing through distrust; and it might presignify the joy and laughter that would be expressed by others at his birth; and perhaps also that he would be the object of the laughter and derision of his brother; such a number of events agreeing with his name.

Genesis 21:3 In-Context

1 And Jehovah hath looked after Sarah as He hath said, and Jehovah doth to Sarah as He hath spoken;

2 and Sarah conceiveth, and beareth a son to Abraham, to his old age, at the appointed time that God hath spoken of with him;

3 and Abraham calleth the name of his son who is born to him, whom Sarah hath born to him -- Isaac;

4 and Abraham circumciseth Isaac his son, [being] a son of eight days, as God hath commanded him.

5 And Abraham [is] a son of a hundred years in Isaac his son being born to him,