locus classicuslocus clas·si·cus
pl. lo′ci· clas′sici·
a passage typically or frequently cited as authoritative in illustrating a certain point or subject
Origin of locus classicusClassical Latin
nounpl. loci clas·si·ci
A passage from a classic or standard work that is cited as an illustration or instance.
Origin of locus classicusNew Latin : Latin locus, place + Latin classicus, belonging to the highest class.
(plural loci classici)