/ Dictionary / Index T telsontail: Meaning and Definition of Find definitions for: tel•son•tail Pronunciation: (tel'sun-tāl"), [key] — n. any of several minute, wingless, primitive insects of the order Protura, having a cone-shaped head with sucking and piercing mouthparts and no eyes or antennae, inhabiting damp soil or decaying organic matter. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: telsontail (Thesaurus) telson Telstar 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