locus classicuslocus clas·si·cus
nounpl. 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 LatinLatin locus place Latin classicus belonging to the highest class
(plural loci classici)