an Old Testament patriarch, the son of Abraham and Sarah and father of Jacob and Esau (Genesis 17; 21–27)
WordReference Random House Unabridged Dictionary of American English © 2025
I•saac
(ī′zək),USA pronunciation n.
- Biblea son of Abraham and Sarah, and father of Jacob. Gen. 21:1–4.
- a male given name: from a Hebrew word meaning "laughter.''
Collins Concise English Dictionary © HarperCollins Publishers::
'Isaac' also found in these entries (note: many are not synonyms or translations):
Abraham
- Ahuzzath
- Albéniz
- Asimov
- Babbitt metal
- Casaubon
- Deutscher
- Esau
- Grantham
- Hebrew
- Hebron
- Isaacs
- Izzak
- Jacob
- Luria
- Machpelah
- Moriah
- Newtonian
- Oliver
- Pitman
- Rabi
- Rashi
- Rebecca
- Rebekah
- Richards
- Rosenberg
- Sarah
- Singer
- Stern
- Thomas
- Watts
- lewis
- murphy
- newton
- patriarch
- phonography
- pitman
- roboticist
- robotics
- singer
- stern
- swift
- wise