noun
Meaning 1
The advancing of clocks by two hours ahead of winter time in the summer instead of the usual one hour; mainly used during World War II in the United Kingdom.
Definition source: English Wiktionary via Wiktextract
Usage: historical, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Narrower terms: British Double Summer Time