| calvatia | (n) genus of puffballs having outer casings whose upper parts break at maturity into angular pieces to expose the spores, Syn. genus Calvatia |
| giant puffball | (n) huge edible puffball up to 2 feet diameter and 25 pounds in weight, Syn. Calvatia gigantea |
| Calvatia | n. a genus of puffballs having outer casings whose upper parts break at maturity into angular pieces to expose the spores. |