Catholicon may refer to:
* Catholicon, the conventual church at the centre of an
abbey
An abbey is a type of monastery used by members of a religious order under the governance of an abbot or abbess. Abbeys provide a complex of buildings and land for religious activities, work, and housing of Christian monks and nuns.
The con ...
*
Katholikon, the primary church in an Orthodox or Eastern Catholic monastery
* Catholicon (Mor Yakub), part of the Holy Liturgy of
Mor Yakub of the Syriac Orthodox Church
*
''Catholicon'' (1286), book written in 1286 by Johannes de Balbis of Genoa (''Summa grammaticalis quae vocatur Catholicon'')
*
''Catholicon'' (trilingual dictionary), Breton–Latin–French dictionary written in 1464 by Jehan Lagadeuc and printed in 1499
*
Catholicon (electuary), an alleged all-purpose cure (panacea) used in pre-modern medicine
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