adjective, often capitalized P & usually capitalized I
variants: or pseudo-isidorean \"+ \ or pseudo-isidoran \¦⸗(ˌ)⸗¦izəˈdōrən \

Definition of pseudo-isidorian 

: of, relating to, or constituting a 9th century collection of decretals, decisions of councils, and letters consisting chiefly of forged documents held to have been compiled by St Isidore of Seville

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a nest or breeding place

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