Ancient Order of Hibernians.
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He, after having uttered a formidable "Aoh" for all thanks, went on his way.English Pharisees and French Crocodiles|Max O'Rell
Ancient Order of Hibernians: an Irish Catholic nationalist association founded in the 19th century; an important political force up to the founding of the Irish Free State (1922)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012