ˌapˌtēnəˈdīd.ēz, -īˌtēz noun
Usage: capitalized
Etymology: New Latin, from apteno- (from Greek aptēn wingless, from a- a- (II) + -ptēn, from ptēnos winged) + -dytes; akin to Greek petesthai to fly — more at feather
: a genus of large penguins including the king penguin and emperor penguin