Try Our Apps
The saddest words
a complex arrangement of muscles and calcareous teeth and plates forming an eversible organ in most echinoids, functioning in mastication.
so called from a reference by Aristotle to a sea urchin resembling in shape certain lanterns
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
Discover our greatest slideshows
15 Writers on Heartbreak and...
14 Quotes for Daily Inspiration
15 Powerful Quotes about Language
All in One Basket: 8 Eggcentric...
Browse more topics on our blog
What Is the Difference Between Discreet and Discrete?
Learn the correct uses of these two commonly confused homophones.
What Character Was Removed from the Alphabet?
What mistaken pronunciation gave this character its name?
This small mark has two primary uses: to signify possession or omitted letters.
How Do I Get a Word into the Dictionary?
People invent new words all the time, but which ones actually make it?
Word of the Day
Difficulty index for
Few English speakers likely know this word
Word Value for
Words With Friends
Nearby words for aristotle's lantern
aristotle contemplating the bust of homer