a grebe, especially the pied-billed grebe.

Origin of helldiver

An Americanism dating back to 1830–40; hell + diver
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for helldiver

Historical Examples of 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

British Dictionary definitions for helldiver



US informal a small greyish-brown North American grebe, Podilymbus podiceps, with a small billAlso called: pied-billed grebe, dabchick
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012