# silver swaddler

> English word · Noun

## Definitions
1. A bag made of aluminium foil designed to retain body heat and provide warmth in harsh weather conditions.

## Etymology
Coined by British paediatrician David Baum in 1968, initially intended for newborns.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/silver-swaddler