Pronunciation: (am"fu-thē'shē-um), [key]
—pl. -ci•aPronunciation: (-shē-u). [key]
1. Bot.the layer or one of the layers of cells in the capsule of a moss surrounding the spores.
2. Mycol.(in certain lichens) a layer of cells that surrounds the fungal apothecium.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.