/ Dictionary / Index A actinodrome: Meaning and Definition of Find definitions for: ac•tin•o•drome Pronunciation: (ak-tin'u-drōm"), [key] — adj. (of a leaf&hasp;) palmately veined. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. actinodermatitis actinogram Related Content Daily Word Quiz: abstain Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language