/ Dictionary / Index S silk hat: Meaning and Definition of Find definitions for: silk' hat' Pronunciation: [key] a tall, cylindrical, black hat covered with silk plush, worn by men for formal dress. Cf. (def. 4), Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. silk gum Silko Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language