cephalodium

noun

ceph·​a·​lo·​di·​um

ˌsefəˈlōdēəm

plural cephalodia

-ēə

: an irregular internal or external gall-like growth in lichens that differs from an isidium in having an algal component other than that natural to the lichen

Word History

Etymology

New Latin, from Greek kephalōdēs like a head (from kephal- cephal- + -ōdēs -ode) + New Latin -ium

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now