noun. a cavity in the mesoderm of an embryo that gives rise in humans to the pleural cavity and pericardial cavity and peritoneal cavity.
- bodily cavity
- κοίλωμα (Ancient Greek (to 1453))
- κοῖλος (Ancient Greek (to 1453))
Sentences with coelom
1. Noun, singular or mass
The internal organs in the chest and abdominal regions of a frog sit in a single cavity called the coelom.