thecium

[thee-shee-uh m, -see-uh m]

noun, plural the·ci·a

[thee-shee-uh, -see-uh] /ˈθi ʃi ə, -si ə/. Mycology.

hymenium.

Origin of thecium

1880–85; < New Latin < Greek thēkíon, diminutive of thḗkē theca; see -ium

Related formsthe·ci·al, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018