/ Dictionary / Index S spiculate: Meaning and Definition of Find definitions for: spic•u•late Pronunciation: (spik'yu-lāt", -lit), [key] — adj. having the form of a spicule. covered with or having spicules; consisting of spicules. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. spicula spicule Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language