flu

[ floo ]
/ flu /
|

noun

a specific variety of influenza, usually named for its point of dissemination or its animal vector: Hong Kong flu; swine flu.

Origin of flu

First recorded in 1830–40; shortened form
Can be confusedflew flu flue
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for flus

British Dictionary definitions for flus

flu

/ (fluː) /

noun informal

the flu short for influenza
any of various viral infections, esp a respiratory or intestinal infection
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

Word Origin and History for flus

flu


n.

1839, flue, shortening of influenza. Spelling flu attested from 1893. For choice of middle syllable, not a common method of shortening in English, Weekley compares tec for detective, scrip for subscription.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for flus

flu

[ flōō ]

n.

Influenza.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for flus

flu

[ flōō ]

See influenza.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.