pantherine
/ˌpænθəˈriːn, -ˈrɪn/Definitions
1. adjective
resembling a panther; panther-like
“The pantherine eyes of the predator made it almost invisible in the night.”
2. noun
a female panther or panther-like animal
“The pantherine gave birth to a litter of kittens in the forest.”