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Mab

1 American  
[mab] / mæb /

noun

  1. Queen Mab.


MAb 2 American  

abbreviation

Immunology.
  1. monoclonal antibody.


Mab British  
/ mæb /

noun

  1. (in English and Irish folklore) a fairy queen said to create and control men's dreams

"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.

His challenging Queen Mab speech, which can glaze the eyes, here is delivered with delectable playfulness, as Mercutio sports almost flirtatiously with Romeo.

From The Wall Street Journal • Jun. 12, 2026

Officials said the tank, which has a storage capacity of 2,500 cubic meters, belongs to the Mab Ta Phut Tank Terminal company, which operates a commercial port and storage terminal for petrochemical products.

From Seattle Times • May 9, 2024

Mab infections are increasingly found in health care settings.

From Science Daily • Jan. 5, 2024

Physician and historian Mical Raz examines a new book about the institution by feminist and anti-racist scholar Mab Segrest, which combines archival research with fictionalized scenes.

From Nature • Apr. 23, 2020

His grandmother was Queen Mab, of the House of the Greenbriar.

From "The Cruel Prince" by Holly Black

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