Try Our Apps
35 Words that Change History
any of numerous bivalve mollusks, especially of the families Cardiidae and Carditidae, having a heart-shaped shell.
the shell itself.
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
Discover our greatest slideshows
8 Wintry Words
8 Words for Celebration
8 Offbeat Literary Genres to Get...
Decode the pieces of our favorite...
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 heart shell
heart of the matter
heart on one's sleeve
heart sinks, one's
heart stands still