Valentina Tereshkova va·len·ti·natereshkova uncommon noun 1. Soviet cosmonaut who was the first woman in space (born in 1937) SynonymsTereshkovaValentina TereshkovaValentina Vladmirovna Tereshkova Related words Broader terms astronaut WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.