mag·​num | \ˈmag-nəm \

Definition of magnum 

(Entry 1 of 2)

: a large wine bottle holding about 1.5 liters



Definition of Magnum (Entry 2 of 2)

used for revolvers

Examples of magnum in a Sentence

Recent Examples on the Web: Noun

Heloise Dear Heloise: What is a magnum and a jeroboam of champagne? Heloise, Houston Chronicle, "A yearning for Bootlegger Beans," 10 July 2018 Dale, a magnum is 2 quarts, which usually fills 10 glasses. Heloise, Houston Chronicle, "A yearning for Bootlegger Beans," 10 July 2018 Photographer: Daniel Acker/Bloomberg An attendee holds a Smith & Wesson Corp. model 460XVR magnum revolver at the company's booth., "Rifles, Pistols and Trump: Inside the NRA Annual Meeting," 6 May 2018 Other drinks followed: A magnum of champagne with sparklers affixed to the neck. Adam Kilgore,, "What happened in Vegas: All night with the Capitals and the Stanley Cup," 8 June 2018 Here, enthusiastic servers sing the natural wine gospel, pouring tastes from a magnum of Bodega Cueva’s Tardana Orange and urging you to poke around the wine cellar. New York Times, "36 Hours in Copenhagen," 26 Apr. 2018 The second youth, believed to be a teenager, pulled a .357 magnum handgun on employees at Valero Gas Station on Sweetwater Road, Sgt. Pauline Repard,, "1 arrested, 1 escapes after Spring Valley gas station holdup," 31 Mar. 2018 When Nicholson put that luggage through the X‑ray at LAX, security stopped him: Inside was a .357 magnum. Dan Greene,, "Flight of the Sole Man," 8 Mar. 2018 At some point during the altercation, Downs pulled out a .357 magnum pistol and fired shots at the man, police said. Anna Beahm,, "Trussville man charged with attempted murder shot his dog instead of intended victim, police say," 2 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'magnum.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of magnum


1788, in the meaning defined above

History and Etymology for magnum


Latin, neuter of magnus great

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Time Traveler for magnum

The first known use of magnum was in 1788

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More Definitions for magnum


Medical Definition of magnum 

— see foramen magnum

More from Merriam-Webster on magnum

Rhyming Dictionary: Words that rhyme with magnum

Comments on magnum

What made you want to look up magnum? Please tell us where you read or heard it (including the quote, if possible).


to enclose within walls

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