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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

In fact, the molecules in the Mab experiment were able to reach inside of the phagocytes to kill the bacteria without damaging the mammalian cells.

From Science Daily • Feb. 21, 2024

Jonathan Holby’s fight direction introduces a gun into the arsenal of knives that does away with Jack Riddiford’s charismatic Mercutio, here an insolent provocateur who has barely spoken the Queen Mab speech before he disappears.

From New York Times • Jun. 16, 2023

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

From "The Cruel Prince" by Holly Black

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