/ Dictionary / Index S splake: Meaning and Definition of Find definitions for: splake Pronunciation: (splāk), [key] — pl. splakes, splake. the hybrid offspring of a lake trout and a brook trout. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. splad splanchnic Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language