Via Latin, from Ancient Greek κοῖλος (koîlos, “hollow”).

-coel (noun-forming suffix, plural -coels)

1. A cavity.

• -coele
• -cele (possibly nonstandard)

See -cele.

-coel (noun-forming suffix, plural -coels)

1. (possibly nonstandard) Alternative form of -cele (“tumor; hernia”).

• LCOE, Cole, ecol., Cloe, Cleo, cole, -cole