Pronunciation: (ap"u-thē'shē-um, -sē-), [key]
—pl. -ci•aPronunciation: (-shē-u, -sē-u). [key] Bot., Mycol.
the fruit of certain lichens and fungi: usually an open, saucer-shaped or cup-shaped body, the inner surface of which is covered with a layer that bears asci.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.