a reference book containing words and usu phrases, usu alphabetically arranged, together with information about them, esp their forms, pronunciations, and meanings
a reference book giving for words or phrases of one language equivalents in another language
a reference book that lists alphabetically terms or names, e.g. related to a specific subject or sphere of activity, along with information about them
a biographical dictionary
a dictionary of philosophy
[Latin dictionarium, from diction-, dictio: see diction]