/ Dictionary / Index H HTLV-3: Meaning and Definition of Find definitions for: HTLV-3 Pronunciation: [key] human T-cell lymphotropic virus type 3. See under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. HTLV-2 HTML Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language