storm door

American

noun

a supplementary outside door, usually glazed, for protecting the entrance door against drafts, driving rain, etc.

storm door British

noun

an extra outer door for protection in bad weather

"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

Etymology

Origin of storm door

An Americanism dating back to 1875–80

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A number of La Niñas have gotten off to wet starts only for the storm door to suddenly shut, according to Kittell.

From Los Angeles Times • Nov. 13, 2025

After a relatively dry start to 2024, the storm door could swing open soon for Southern California, where back-to-back rainstorms are expected this week, according to the National Weather Service.

From Los Angeles Times • Jan. 16, 2024

He opened the interior door and saw a Black male he perceived to be “6 feet tall” pulling on the storm door, which was locked.

From Washington Post • Apr. 17, 2023

“The storm door will remain open this weekend all the way through end of next week,” forecasters at the Los Angeles office of the Weather Service said.

From New York Times • Jan. 5, 2023

I heard the storm door slam shut and words between Mom and Dad.

From "October Sky" by Homer Hickam

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