Definition of hymenium
plural -nia \-nē-ə\ or hymeniums
: a spore-bearing layer in fungi
Origin of hymenium
New Latin, from Greek hymēn
First Known Use: 1830
Learn More about hymenium
Britannica.com: Encyclopedia article about "hymenium"
Seen and Heard
What made you want to look up hymenium? Please tell us where you read or heard it (including the quote, if possible).