locus classicus

noun

locus clas·​si·​cus -ˈkla-si-kəs 

plural loci classici -ˈkla-sə-ˌsī 

-ˌkī,

-ˌkē

1

: a passage that has become a standard for the elucidation of a word or subject

2

: a classic case or example

Word History

Etymology

New Latin

First Known Use

1657, in the meaning defined at sense 1