A phiale is an ancient Greek handless, footless bowl used for drinking wine or offering libations. The phiale mesomphalos has a hollow, raised boss (the ὀμφᾰλός or “navel”) at the center to facilitate holding it. It can be made of fired clay, metal or glass.

Phiale mesomphalos with four youths hunting deer. Gilt silver. Late 5th c. BCE. Metropolitan Museum of Art, New York.