D defs.my
Entry 1 sense Webster, 1913

Leonine

/(lē"ō̇*nīn)/ · Le·o·nine · IPA /ˈliəˌnaɪn/
01 a. Pertaining to, or characteristic of, the lion; as, a leonine look; leonine rapacity.
  1. 1.
    Pertaining to, or characteristic of, the lion; as, a leonine look; leonine rapacity.
    “Gloria factorum temere conceditur horum.”
Phrases & compounds
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: