1. [ noun ] Man's first name, popularity rank in the U.S. is 122
2. [ noun ] (chemistry,biochemistry) French biochemist who (with Jacques Monod) studied regulatory processes in cells (born in 1920)
Synonyms: francois_jacob
Related terms: biochemist
3. [ noun ] Last name, frequency rank in the U.S. is 1894
4. [ noun ] (Old Testament) son of Isaac; brother of Esau; father of the twelve patriarchs of Israel; Jacob wrestled with God and forced God to bless him, so God gave Jacob the new name of Israel (meaning `one who has been strong against God')
Related terms: patriarch Old_Testament
Similar spelling:   Jacoby