Webster’s Revised Unabridged Dictionary · 1913
Carbonaro
Car′bo·na′ro, n.; pl. Carbonari (#). [It., a coal man.] A member of a secret political association in Italy, organized in the early part of the nineteenth centry for the purpose of changing the government into a republic.
☞ The origin of the Carbonari is uncertain, but the society is said to have first met, in 1808, among the charcoal burners of the mountains, whose phraseology they adopted.