belcher
A dark blue neckerchief with white spots, each having a dark-blue spot in the centre.
dated
He had a brown hat on his head, and a dirty belcher handkerchief round his neck: with the long frayed ends of which he smeared the beer from his face as he spoke.
1837-39, Charles Dickens, Oliver Twist
Where it comes from
Named after James Belcher (1781–1811), a famous English boxer.
Adapted from the Wiktionary entry belcher (CC BY-SA 4.0).