helldiver
(ˈhɛlˌdaɪvə) n (Animals) informal US a small greyish-brown North American grebe, Podilymbus podiceps, with a small bill. Also called: pied-billed grebe or dabchick
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014