/ Dictionary / Index L lexicology: Meaning and Definition of Find definitions for: lex•i•col•o•gy Pronunciation: (lek"si-kol'u-jē), [key] — n. the study of the formation, meaning, and use of words and of idiomatic combinations of words. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: lexicology (Thesaurus) lexicography lexicon Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language