| CAV | a sizeable hole (usually in the ground) |
|---|---|
| CAV | soft decayed area in a tooth |
| CAV | space that is surrounded by something |
| CAV | a hollow chamber whose dimensions allow the resonant oscillation of electromagnetic or acoustic waves |
| CAV | a wall formed of two thicknesses of masonry with a space between them |
| CAV | an important Brazilian timber tree yielding a heavy hard dark-colored wood streaked with black |
| CAV | play boisterously |
| CAV | (anatomy) a natural hollow or sinus within the body |
| CAV | short-tailed rough-haired South American rodent |