/ Dictionary / Index S sinh: Meaning and Definition of Find definitions for: sinh Pronunciation: (sinch), [key] — n. Math. hyperbolic sine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. singultus Sinhailien 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