phorusrhacid noun1 •Any of the extinct flightless birds of the family Phorusrhacidae, which inhabited South America from the early Cenozoic era until about 0.1 million years ago.Phorusrhacids have excellent eyesight, so as the Earth continues its path around the sun, and the seasons change, the darkness will not be an encumbrance. — 2022 formsphorusrhacids
