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WORDNET DICTIONARY

Noun cosmonaut has 1 sense

• cosmonaut(n = noun.person) astronaut, spaceman - a person trained to travel in a spacecraft; "the Russians called their astronauts cosmonauts"
is a kind of traveler, traveller
has particulars: spacewalker, armstrong, neil armstrong, gagarin, yuri alekseyevich gagarin, yuri gagarin, glenn, john glenn, john herschel glenn jr., alan bartlett shepard jr., alan shepard, shepard, tereshkova, valentina tereshkova, valentina vladmirovna tereshkova

CIDE DICTIONARY

OXFORD DICTIONARY

ROGET THESAURUS

cosmonaut

Mariner

N sailor, mariner, navigator, seaman, seafarer, seafaring man, dock walloper, tar, jack tar, salt, able seaman, A, B, man-of-war's man, bluejacket, galiongee, galionji, marine, jolly, midshipman, middy, skipper, shipman, boatman, ferryman, waterman, lighterman, bargeman, longshoreman, bargee, gondolier, oar, oarsman, rower, boatswain, cockswain, coxswain, steersman, pilot, crew, aerial navigator, aeronaut, balloonist, Icarus, aeroplanist, airman, aviator, birdman, man-bird, wizard of the air, aviatrix, flier, pilot, test pilot, glider pilot, bush pilot, navigator, flight attendant, steward, stewardess, crew, astronaut, cosmonaut, parachutist, paratrooper.

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