/ Dictionary / Index K Kline test: Meaning and Definition of Find definitions for: Kline' test" Pronunciation: [key] — Med. Med. a test for syphilis in which the formation of a microscopic precipitate in a mixture of the patient's serum and an antigen indicates a syphilitic condition. Cf. Kahn test. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Klinefelter's syndrome klinotaxis Related Content Daily Word Quiz: sylvan Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language