one of a series of Soviet space probes that photographed the moon and returned to earth.
Origin of Zond
1964; < Russian: orig., surgical probe < French sonde sonde; z- perhaps due to German Sonde (< F)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
any of a series of unmanned Soviet spacecraft, first launched in 1964 as interplanetary space probes, the most successful of which, Zond 3, sent back photographs of the hidden side of the moon in 1965
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012