/ Dictionary / Index S speleology: Meaning and Definition of Find definitions for: spe•le•ol•o•gy Pronunciation: (spē"lē-ol'u-jē), [key] — n. the exploration and study of caves. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: speleology (Thesaurus) spelaean spell 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