Longman Dictionary of Contemporary English homepage

octo-

prefix
     
octo-
eight, or having eight:
octagon (=a shape with eight sides)
octopus (=a sea creature with eight arms)

Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.

Explore our topic dictionary