- a grebe, especially the pied-billed grebe.
Origin of helldiver
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for helldiver
The Helldiver, which had been closest to us when our signal had been picked up, was the first ship in.Four-Day Planet
Henry Beam Piper
- US informal a small greyish-brown North American grebe, Podilymbus podiceps, with a small billAlso called: pied-billed grebe, dabchick