A strong gust of wind or a sudden burst of sound or activity, mostly used in British dialect.
Possibly from Old Norse 'blær' meaning 'blast' or related to Old English 'blawan' meaning 'to blow.' Regional words like this often survive in isolated communities and have unclear origins because they weren't frequently written down.
Words like 'blore' are disappearing from English because fewer people live in rural areas where dialect words thrived—linguists race to record them before they vanish completely, kind of like endangered species.
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