/ Dictionary / Index K knop: Meaning and Definition of Find definitions for: knop Pronunciation: (nop), [key] — n. a small knob or similar rounded protuberance, esp. for ornament. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Knoop scale Knopf Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language