27AgainπάλινthenοὖνdeniedἠρνήσατοPeterΠέτρος·andκαὶimmediatelyεὐθέωςa roosterἀλέκτωρcrowedἐφώνησεν.
Again, then, Peter denied [it], and immediately a rooster crowed.
ἀλέκτωρ
a cock, rooster