Mariner
 oxford
 views  updated May 08 2018Mariner A series of 
NASA planetary missions exploring 
Venus (Mariners 2 (1962), 5 (1967), and 10 (1973)) and 
Mars (Mariners 4 (1964), 6 (1969), 7 (1969), 9 (1971)); Mariner 10 also travelled to 
Mercury. There was no Mariner 1.
  A Dictionary of Earth Sciences AILSA ALLABY and MICHAEL ALLABY
   mariner
 oxford
 views  updated May 21 2018mar·i·ner  / ˈmarənər/ •
n. a sailor.
 The Oxford Pocket Dictionary of Current English 
   Mariner
 oxford
 views  updated Jun 27 2018Mar·i·ner  / ˈmarənər/ a series of American space probes launched in 1962–77 to investigate the planets Venus, Mars, and Mercury.
 The Oxford Pocket Dictionary of Current English