locus classicus

[ loh-koo s klahs-si-koo s; English loh-kuh s klas-i-kuh s ]
/ ˈloʊ kʊs ˈklɑs sɪˌkʊs; English ˈloʊ kəs ˈklæs ɪ kəs /

noun, plural lo·ci clas·si·ci [loh-kee klahs-si-kee; English loh-sahy klas-uh-sahy, loh-kahy klas-i-kahy] /ˈloʊ ki ˈklɑs sɪˌki; English ˈloʊ saɪ ˈklæs əˌsaɪ, ˈloʊ kaɪ ˈklæs ɪˌkaɪ/. Latin.

classical source: a passage commonly cited to illustrate or explain a subject or word.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for locus classicus

locus classicus

/ (ˈklæsɪkəs) /

noun plural loci classici (ˈklæsɪˌsaɪ)

an authoritative and often quoted passage from a standard work

Word Origin for locus classicus

Latin: classical place
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012