(Greek:  ψυκτήρ, “cooler”). A vessel with a mushroom-shaped body that functioned in the context of the ancient Greek symposium. The psykter would be filled with cold water and set in the middle of a  krater filled with wine in order to cool the wine.

Attributed to Oltos. Red-figure psykter with hoplites riding dolphins. Ca. 520-510 BCE. Metropolitan Museum of Art, New York.