Webster's new twentieth century ; Dictionary of the English language unabridged / Based upon the broad foundations laid down by Noah Webster; Extensively revised by the publisher's editorial staff under the general supervision of Jean L. McKechnie.

Including etymologies, full pronunciations, synonyms, and an encyclopedic supplement of geographical and biographical data, scripture proper names, foreign words and phrases, practical business mathematics, abbreviations, tables of weights and measures, signs and symbols, and forms of address