/ Dictionary / Index D dropsonde: Meaning and Definition of Find definitions for: drop•sonde Pronunciation: (drop'sond"), [key] — n. Meteorol. an instrument similar to a radiosonde that is attached to a parachute and released from an aircraft. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dropsley dropsy Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language