leonine

He comes to the Proms with the Dutch Concertgebouw Orchestra, to play Mahler's leonine fifth symphony.

What could be more leonine than a personal inferno?

A garment on the ground catches his eye; when he puts it on, a vest with leonine markings that matches the fabric around his waist, he seems imbued with a newfound power and responsibility.

He had a head of “leonine” white hair and an air of nobility.

What looked on the picture to be a long, leonine dangling tail with a bob at the end could have been a shadow cast by vegetation.