storm door

American  

noun

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

---

storm door British  

noun

1. an extra outer door for protection in bad weather

---

Etymology

Origin of storm door

An Americanism dating back to 1875–80

Example Sentences

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

Yarl testified at the hearing that he rang the doorbell and then reached for the storm door as Lester opened the inner door.

From Seattle Times • Apr. 29, 2024

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

A basic, lightweight aluminum storm door with screen panels from a home improvement store may be found for as little as $300 or less; a standard-size steel version would be about $400 to $500.

From Washington Post • Jan. 31, 2023

She opened the storm door plucked the envelope from the mailbox, and then shut both doors and went inside with a shiver.

From "Frindle" by Andrew Clements