a sharp hooked claw especially on a bird of prey
"The eagle's talon gripped the fish tightly as it soared above the river."
A sharp, hooked claw of a bird of prey or other predatory animal.
"The eagle spread its wings to reveal the deadly talons that allowed it to snatch the rabbit from the ground."
A surname, from nicknames.
"The detective was surprised when he found out that Talon was actually a common family name in their neighborhood."