Definition of mossy fibre in English:

mossy fibre

(US mossy fiber)

noun

Anatomy
  • A type of thick, highly branched afferent nerve fibre found especially in the cerebellar cortex.

Origin

1920s; earliest use found in Stephen Walter Ranson (1880–1942). After Spanish fibras muscogas; compare (in the same source) German moosartige Faser, Moosfaser, and also French fibre moussue.