a combining form meaning “cavity,” used in the formation of compound words: coelenteron.
Also cele-, coele-.
Origin of coel-
combining form representing Greek koîlos hollow; akin to cave
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
indicating a cavity within a body or a hollow organ or partcoelacanth; coelenterate; coelenteron
Word Origin for coel-
New Latin, from Greek koilos hollow
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012