Isaac Irwin • Isabel · · · Info · Definitions · Characters · · Isaac · · Text Latin · · Script 5 · · Length 3 · · Syllables Definitions · · · (noun) (Old Testament) the second patriarch; son of Abraham and Sarah who was offered by Abraham as a sacrifice to God; father of Jacob and Esau. · · Noun Definition 1 Characters · · I latin capital letter i U+0049 a latin small letter a U+0061 c latin small letter c U+0063 s latin small letter s U+0073