LÍNGUA INGLESA: GRAMÁTICA E APLICAÇÃO I
A dictionary is a book containing a selection of the words of a language, usually arranged alphabetically, giving information about their meaning, pronunciations, etymologies, inflected forms, etc., expressed in either the same or another language.
(Webster’s Encyclopedic Unabridged Dictionary, Gramercy Books, NY, 1989, page 400)
De acordo com o texto, um dicionário é: