a group of French dialects spoken in medieval S France and surviving in Provençal
Webster’s New World College Dictionary, Fourth Edition, compiled by the
editors of Webster’s New World Dictionaries. Copyright © 2010 by Houghton
Mifflin Harcourt. Published by Houghton Mifflin Harcourt. All rights reserved.
Word origin of 'langue d'oc'
Fr, lit., language of oc
(< Prov, yes < L hoc
, this thing): from characteristic use of oc
for affirmation (in contrast to langue d'oïl