First Known Use: 1955
Dictionary
cosmonaut
noun cos·mo·naut \ˈkäz-mə-ˌnȯt, -ˌnät\
: an astronaut in the space program of Russia or the former Soviet Union
Full Definition of COSMONAUT
: an astronaut of the Soviet or Russian space program
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Origin of COSMONAUT
Russian kosmonavt, from Greek kosmos + Russian -navt (as in aeronavt aeronaut)
Rhymes with COSMONAUT
aeronaut, aliquot, angle shot, apparat, apricot, aquanaut, argonaut, astronaut, beauty spot, bergamot, booster shot, burning ghat, cachalot, Camelot, caveat, carry-cot, chamber pot, chimney pot, coffeepot, counterplot, doodley-squat, floreat, flowerpot, flying spot, follow shot, gallipot, granny knot, guillemot, Gujarat, hit the spot, honeypot, Hottentot, Huguenot, juggernaut, kilowatt, Lancelot, like a shot, lobster pot, megawatt, melting pot, microdot, monocot, monoglot, noble rot, Nouakchott, ocelot, on the spot, overshot, paraquat, parking lot, passing shot, patriot, pepper pot, peridot, piping hot, polka dot, polyglot, running knot, samizdat, sansculotte, scattershot, scot and lot, shoulder knot, single knot, Southern blot, stopper knot, surgeon's knot, terawatt, tie the knot, tommyrot, touch-me-not, tracking shot, turkey trot, underplot, undershot, Western blot, Windsor knot, Wyandot, wyandotte
COSMONAUT Defined for Kids
cosmonaut
noun cos·mo·naut \ˈkäz-mə-ˌnȯt\
Definition of COSMONAUT for Kids
: an astronaut in the space program of Russia or the former Soviet Union
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