noun

• An English surname originating as a patronymic derived from Jacob.
• A place in the United States:
• A southern neighbourhood of Louisville, Kentucky.
• A town in Ashland County, Wisconsin, named after William H. Jacobs.
• Former name of Port Providence, Pennsylvania.
• (UK, slang) Testicles (sometimes spelt Jacob's).
• Alternative form of Jacobs [An English surname originating as a patronymic derived from Jacob.]