Hymenia

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Hymenium \Hy*me"ni*um\, n.; pl. L. {Hymenia}, E. {Hymeniums}.
     [NL., fr. Gr. ? a membrane.] (Bot.)
     The spore-bearing surface of certain fungi, as that on the
     gills of a mushroom.
     [1913 Webster]