/ Dictionary / Index R rocketsonde: Meaning and Definition of Find definitions for: rock•et•sonde Pronunciation: (rok'it-sond"), [key] — n. Meteorol. a telemeter for gathering data on the atmosphere at very high altitudes, carried aloft by rocket and returned to earth by parachute. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rocket sled Rockeye Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language