Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

ocellus

play
noun, ocel·lus \ō-ˈse-ləs\

Definition of ocellus

plural ocelli play \-ˈse-ˌlī, -(ˌ)lē\

  1. 1 :  a minute simple eye or eyespot of an invertebrate

  2. 2 :  an eyelike colored spot (as on a peacock feather or the wings of some butterflies)

ocellar play \ō-ˈse-lər\ adjective


Origin of ocellus

New Latin, from Latin, diminutive of oculus eye — more at eye


First Known Use: 1819

Rhymes with ocellus


Medical Dictionary

ocellus

play
noun ocel·lus \ō-ˈsel-əs\

Medical Definition of ocellus

plural ocelli \-ˈsel-ˌī, -(ˌ)ē\play play

  1. :  a minute simple eye or eyespot of an invertebrate

ocellar \ō-ˈsel-ər\play adjective



Learn More about ocellus


Seen and Heard

What made you want to look up ocellus? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a timid, meek, or unassertive person

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

alt-5746713d76276

Which of these is a synonym of nonplus?

reduce disapprove soothe perplex
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ