Expressed or evidenced by word of mouth; not written.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "parol" in a sentence
"The police gave chase in parol cars for hours but were no match for the agile fugitive, which darted down narrow alleyways and made tight turns."
"Claims for fraudulent inducement typically face a significant legal hurdle known as the parol evidence rule, which prohibits parties from introducing evidence of oral statements to vary the terms of a written contract."
"Some cafes like Pushka, Fidele, KoKava and 22 on Petrosgova provide free wi-fi, you just have to ask for the password parol in russian."