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amphithecium

[ am-fuh-thee-shee-uhm ]
/ ˌæm fəˈθi ʃi əm /
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noun, plural am·phi·the·ci·a [am-fuh-thee-shee-uh]. /ˌæm fəˈθi ʃi ə/.

Botany. the layer or one of the layers of cells in the capsule of a moss surrounding the spores.
Mycology. (in certain lichens) a layer of cells that surrounds the fungal apothecium.

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Origin of amphithecium

<New Latin <Greek amphi-amphi- + thēkíon (thḗk(ē) case, cover + -ion diminutive suffix)
am·phi·the·cial [am-fuh-thee-shuhl, -shee-uhl, -see-uhl], /ˌæm fəˈθi ʃəl, -ʃi əl, -si əl/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for amphithecium

amphithecium
/ (ˌæmfɪˈθiːsɪəm) /

noun plural -cia (-sɪə)

the outer layer of cells of the sporophyte of mosses and liverworts that develops into the outer parts of the spore-bearing capsule
C19: from New Latin, from amphi- + Greek thēkion a little case, from thēkē case
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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