coel-
prefix
indicating a cavity within a body or a hollow organ or part
⇒ 
coelacanth
⇒ 
coelenterate
⇒ 
coelenteron
Origin
New Latin, from Greek koilos hollowcoel-
Word Origin
1 
a combining form meaning “cavity,” used in the formation of compound words:
coelenteron.
Also, cele-, coele-.
Origin
combining form representing Greek koîlos hollow; akin to cave
Related Words
- coelacanth
- -coele
- celiac
- coelanaglyphic
- coelenteron
- coeloscope
☞ coel-, cel-
coel-
combining form 
or coelo- also cel- or celo-
Etymology: New Latin, from Greek koil-, koilo-, from koilos hollow — more at cave 
 : hollow : cavity 
< coelodont >
< coelozoic >
or coelo- also cel- or celo-
< coelodont >
< coelozoic >