/ Dictionary / Index S spinule: Meaning and Definition of Find definitions for: spi•nule Pronunciation: (spī'nyl, spin'yl), [key] — n. Zool., Bot. a small spine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. spinto spiny Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language