giant puffball
noun
a puffball, Calvatia gigantea, that is the largest of its kind, known to have grown to more than 5 feet (1.6 meters) in circumference.
Nearby words
giant panda, giant peacock moth, giant petrel, giant planet, giant powder, giant puffball, giant ragweed, giant redwood, giant reed, giant scallop, giant schnauzer
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019