| CEC | large genus of tropical American trees that yield a bast fiber used for cordage and bark used in tanning |
|---|---|
| CEC | North American silkworm moth |
| CEC | tropical American tree with large peltate leaves and hollow stems |
| CEC | in some classifications included in family Moraceae |
| CEC | the cavity in which the large intestine begins and into which the ileum opens |