Added 10 October 2026 esau noun Categories: PeopleRare Words noun ! Definition from WordNet 3.1, Princeton University. More about esau at Wordnik → Where our words come from → (Old Testament) the eldest son of Isaac who would have inherited the covenant that God made with Abraham and that Abraham passed on to Isaac; he traded his birthright to his twin brother Jacob for a mess of pottage. Related Words: edomjacoblabanisaacyaakovesavrebekahreubenlevisimeonleahamalek Back to today's word