cougar

US /ˈkuː.ɡɚ/
UK /ˈkuː.ɡɚ/
"cougar" picture
1.

a large American wild cat with a tawny coat, found from Canada to Patagonia.

:
The cougar stalked its prey silently through the dense forest.
Cougars are also known as mountain lions or pumas.
2.

an older woman who seeks sexual relationships with significantly younger men.

:
She was often described as a cougar because of her preference for younger partners.
The term 'cougar' is often used informally and can sometimes be considered derogatory.