/ Dictionary / Index O orchidology: Meaning and Definition of Find definitions for: or•chid•ol•o•gy Pronunciation: (ôr"ki-dol'u-jē), [key] — n. the branch of botany or horticulture dealing with orchids. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. orchido- orchidotomy 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