ven·​tu·​ri | \ ven-ˈtu̇r-ē How to pronounce venturi (audio) \

Definition of venturi

 (Entry 1 of 2)

: a short tube with a tapering constriction in the middle that causes an increase in the velocity of flow of a fluid and a corresponding decrease in fluid pressure and that is used especially in measuring fluid flow or for creating a suction (as for driving aircraft instruments or drawing fuel into the flow stream of a carburetor)


biographical name
Ven·​tu·​ri | \ ven-ˈtu̇r-ē How to pronounce Venturi (audio) \

Definition of Venturi (Entry 2 of 2)

Robert Charles 1925–     American architect

Examples of venturi in a Sentence

Recent Examples on the Web: Noun

The most obvious place to begin is at the rear, where the central venturi tunnels dump their airflow. Davey G. Johnson, Car and Driver, "Valkyrie Exposed! Aston Martin Reveals Wild Hypercar Images and Details," 12 July 2017

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

First Known Use of venturi


1887, in the meaning defined above

History and Etymology for venturi


after Giovanni Battista Venturi *1746 †1822 Italian physicist, who described the decrease in fluid pressure that takes place in such a tube in 1797

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The first known use of venturi was in 1887

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Comments on venturi

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


to mark by some ceremony or observation

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