/ Dictionary / Index T thysanuran: Meaning and Definition of Find definitions for: thy•sa•nu•ran Pronunciation: (thī"su-noor'un, -nyoor'-, this"u-), [key] — adj. belonging or pertaining to the order Thysanura, comprising the bristletails. —n. a thysanuran insect; bristletail. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. thysanopteron thyself Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language