spacegram noun 1verb 1forms 3 noun1 •A short written message physically sent through space.Several times during their work and breaks to eat, Versha had received spacegrams or messages through the comcaller. — 2006 verb1 •To send by spacegram."We'll spacegram the specifications as soon as this call is finished," said Jerry. "How soon can we have a shipment?" — 1952 formsspacegrammed · spacegramming · spacegrams