Real Dictionary

excerpt
countable noun: An excerpt is a short piece of writing or music which is taken from a larger piece.
passive verb: If a long piece of writing or music is excerpted, short pieces from it are printed or played on their own.

excerpt in American English
a passage or sequence selected or quoted from a book, article, film, etc.; extract
to select, take out, or quote (passages from a book, sequences from a film, etc.); extract
noun: a passage or quotation taken or selected from a book, document, film, or the like; extract
transitive verb: to take or select (a passage) from a book, film, or the like; extract

excerpt in British English
noun: a part or passage taken from a book, speech, play, etc, and considered on its own; extract
verb: to take (a part or passage) from a book, speech, play, etc