G / glossārĭum
noun

glossārĭum

gen. glossārii · gender neuter · decl. 2nd
a vocabulary; glossary of antiquated; foreign words that need explanation
a vocabulary or glossary of antiquated or foreign words that need explanation: vos philosophi meri estis, ut M. Cato ait, mortuaria glossaria; namque colligitis lexidia, res tetras et inanes, etc., Gell. 18, 7, 3.