Definition of ocellation in US English:

ocellation

noun

Zoology
rare
  • A marking resembling an eye; an eyespot.

Origin

Mid 19th century; earliest use found in James Dana (1813–1895), geologist, zoologist, and teacher. From scientific Latin ocellatus ocellate + -ion; compare -ation.

Pronunciation

ocellation

/ˌɒsɪˈleɪʃn/