the largest of the penguins, Aptenodytes forsteri, of the coasts of Antarctica, having bluish-gray and black plumage on the back, head, and wings, a white chest, and a patch of orange on each side of the neck.
Origin of emperor penguin
First recorded in 1880–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
an Antarctic penguin, Aptenodytes forsteri, with orange-yellow patches on the neck: the largest penguin, reaching a height of 1.3 m (4 ft)
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