Definition of "venturi" []

• A short tube with a constricted throat used to determine fluid pressures and velocities by measurement of differential pressures generated at the throat as a fluid traverses the tube. (noun)
• A constricted throat in the air passage of a carburetor, causing a reduction in pressure that results in fuel vapor being drawn out of the carburetor bowl. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "In a bit of a driving rain storm, that seems just to have subsided, but moments ago as we were watching, the rain was blowing almost sideways due to the high winds around this building, a kind of venturi effect cased by tall building construction, make it just that much more complicated."
• "The breakthrough that set the LuciaStove apart from similar gasifer stoves was Mulcahy's patented design which uses venturi holes to create negative pressure while a flame cap based on Fibonacci spiral geometry prevents oxygen from entering the pyrolysis chamber."
• "What's more, "There could be instances of ice forming inside the carburetor venturi that would cause future running problems after prolonged running with high humidity or blowing wet snow," says a Stihl spokesperson."