cramp ball

English

Etymology

cramp +‎ ball. First use appears c. 1904 in the publication South Eastern Naturalist.

Noun

cramp ball (plural cramp balls)

1. (mycology) Annulohypoxylon.
2. (mycology) Daldinia concentrica.
3. (mycology) Hypoxylon.

Usage notes

• This term usually appears in the plural form only.