DICTIONARY

noun (plural -naries) Etymology: Medieval Latin dictionarium, from Late Latin diction-, dictio word, from Latin, speaking Date: 1526 a reference source in print or electronic form containing words usually alphabetically arranged along with information about their forms, pronunciations, functions, etymologies, meanings, and syntactical and idiomatic uses, a reference book listing alphabetically terms or names important to a particular subject or activity along with discussion of their meanings and applications, a reference book giving for words of one language equivalents in another, a computerized list (as of items of data or words) used for reference (as for information retrieval or word processing)