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Jacobi

American  
[juh-koh-bee, yah-koh-bee] / dʒəˈkoʊ bi, yɑˈkoʊ bi /

noun

  1. Abraham, 1830–1919, U.S. pediatrician, born in Germany.

  2. Karl Gustav Jakob 1804–51, German mathematician.

  3. Mary Corinna (Putnam), 1842–1906, U.S. physician (wife of Abraham Jacobi).


Jacobi British  

noun

  1. Sir Derek ( George ). born 1938, British actor

  2. Karl Gustav Jacob (karl ˈɡʊstaf ˈjaːkɔp). 1804–51, German mathematician. Independently of N. H. Abel, he discovered elliptic functions (1829). He also made important contributions to the study of determinants and differential equations

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“Even a child could clear a dinner table,” said Goldberg, who is also chief scientist at Ambi Robotics and Jacobi Robotics.

From The Wall Street Journal • Jan. 3, 2026

Zhao adapted the book in partnership with O'Farrell, and the film also stars Emily Watson, Joe Alwyn and Jacobi Jupe as Hamnet.

From BBC • Jan. 2, 2026

Jacobi had volunteered to help bring Kirk to campus.

From Slate • Oct. 30, 2025

It was an enormous and intimidating cast — Maggie Smith, Michael Gambon, Helen Mirren, Eileen Atkins, Charles Dance, Derek Jacobi, to name a few — but that didn’t faze Altman.

From Los Angeles Times • Oct. 9, 2024

Jacobi was showing me how to add CCs to my six-step.

From "A Very Large Expanse of Sea" by Tahereh Mafi

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