Word of the Day
Apps by Dictionary
Yours, Etc.: Origins and Uses of 8 Sign-Offs
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. 2014.
Cite This Source
Discover our greatest slideshows
8 Words That Are Older Than You...
Know These 9 Commonly Confused...
Carried Away: 9 Words About Wind
7 Books Written About World War I
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
Saturday mornings we listened to Red Lantern & his undersea folk. At 11, Let's Pretend/& we did/& I,...
Imamu Amiri Baraka
And then the voice again: "You seem afraid. I saw by the way you whipped up the horse. I'll just...
"... It may be Prester John's balloon Or an old battered lantern hung aloft To light poor travellers...
Nearby words for aristotle's-lantern
aristarchus of samos
aristarchus of samothrace
aristides the just
aristophanes of byzantium
aristotle contemplating the bust of homer
arithmetic and logic unit
arizona state university
arizona, university of