noun Ec·cle·si·as·ti·cus \i-ˌklē-zē-ˈa-sti-kəs, e-ˌklē-\

Definition of Ecclesiasticus

  1. :  a didactic book included in the Protestant Apocrypha and as Sirach in the Roman Catholic canon of the Old Testament

Origin and Etymology of ecclesiasticus

Late Latin, from ecclesiasticus

First Known Use: 14th century

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