To save this word, you'll need to log in.
ceph·a·lo·tho·rax | \ ˌse-fə-lə-ˈthȯr-ˌaks 
\
\Definition of cephalothorax
: the united head and thorax of an arachnid or higher crustacean
Keep scrolling for more
Keep scrolling for more
More Definitions for cephalothorax
cephalothorax
nounceph·a·lo·tho·rax | \ ˌsef-ə-lə-ˈthō(ə)r-ˌaks, -ˈthȯ(ə)r- \
\Medical Definition of cephalothorax
: the united head and thorax of an arachnid or higher crustacean
Comments on cephalothorax
What made you want to look up cephalothorax? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
The Eponym Quiz
- Which is the best synonym of bowdlerize?
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
- The Eponym Quiz
Do you know these words that come from names?
Take the quiz - Liar, Liar Quiz
Test your knowledge of words for lies, liars, and those being lied to. In other words, everyone.
Take the quiz - Spell It
Can you spell these 10 commonly misspelled words?
Take the quiz - Syn City
Build a city of skyscrapers—one synonym at a time.
Play the game
Share cephalothorax
Time Traveler for cephalothorax
The first known use of cephalothorax was in 1835
See more words from the same year