What is "leoninely"

Leonine \Le"o*nine\ (l[=e]"[-o]*n[imac]n), a. [L. leoninus, fr. leo, leonis, lion: cf. F. l['e]onin. See Lion.] Pertaining to, or characteristic of, the lion; as, a leonine look; leonine rapacity. -- Le"o*nine*ly, adv.

Leonine verse, a kind of verse, in which the end of the line rhymes with the middle; -- so named from Leo, or Leoninus, a Benedictine and canon of Paris in the twelfth century, who wrote largely in this measure, though he was not the inventor. The following line is an example:

Gloria factorum temere conceditur horum.

adv. In a leonine manner.