/ Dictionary / Index D daddy-longlegs: Meaning and Definition of Find definitions for: dad•dy-long•legs Pronunciation: (dad'ē-lông'legz", -long'-), [key] — n. (used with a sing. or pl. v.) Also calledany of numerous spiderlike arachnids of the order Opiliones, having a compact rounded body and extremely long, slender legs. a crane fly. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: daddy-longlegs (Thesaurus) daddy dad-gummed Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language