Real Dictionary

quotation
countable noun: A company's quotation on the stock exchange is its registration on the stock exchange, which enables its shares to be officially listed and traded.
countable noun: A quotation is a sentence or phrase taken from a book, poem, or play, which is repeated by someone else.
countable noun: When someone gives you a quotation, they tell you how much they will charge to do a particular piece of work.

quotation in American English
the act or practice of quoting
noun: something that is quoted; a passage quoted from a book, speech, etc.

quotation in British English
abbreviation: quotation
noun: a phrase or passage from a book, poem, play, etc, remembered and spoken, esp to illustrate succinctly or support a point or an argument