Dictionary.com
Thesaurus.com

mushroom ventilator

American  

noun

  1. a ventilator having at the top of a vertical shaft a broad rounded cap that can be screwed down to close it.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "mushroom ventilator" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com