leonine

Of, pertaining to, or characteristic of a lion; lionlike.

He was of a leonine-coloured haire, sanguinocholerique, middle sized, strong.

Ti′ger. […] A fierce beaſt of the leonine kind.

Of, pertaining to, or characteristic of a lion; lionlike.

leonine facies

The most terrible variety of this hideous evil is the leonine leprosy, so called because the head of the sufferer resembles that of a lion.

Of or pertaining to one of the popes named Leo; specifically (in Leonine City), to Pope Leo IV (r. 847–855) who ordered the building of a wall around Vatican Hill to protect what is now Vatican City, or (in Leonine Prayers) to Pope Leo XIII

The Nineteenth and Tvventieth Days vvere ſpent in ſeeing the Monuments of the Leonine City, the Vatican Church, the Palace and Library.

Being or relating to a kind of medieval Latin verse, generally alternative hexameter and pentameter, with rhyming at the middle and end of a line (that is, internal rhyme); also (by extension), of or relating to modern verse having internal

leonine rhyme

In the Church of St. Dominick is a ſmall Picture of the Bleſſed Virgin, vvith the Infant JESUS in her Arms, vvell painted, and yet, appears to have been done in the Iron Age of Painting and other Arts, by the follovving verses, vvrit under it. […] Theſe Leonine Verſes, as plainly appears by them, expreſs a Senſe contrary to the Intention of the VVriter.

Synonym of Leonine verse (“a kind of medieval Latin verse, generally alternative hexameter and pentameter, with rhyming at the middle and end of a line (that is, internal rhyme)”).

A[llen]. The Clink of Syllables call'd Rymes, / Brought in ith' barb'rous Runick times, / To ſober Criticks ſeems to be / A paultry part of Poetry, / Becoming Monkiſh dull Divines, / VVho traded much in Leonines. / J[ohn]. Altho' to ſpoil I ſhould be ſorry, / An undergraduate Antiquary, / Yet I'll produce a Line or tvvo / Of Leonines in Cicero, / Before the Monks long time ago.

[F]rom the jingling of the Greek couplet juſt before, and ſimilar inſtances of his taſte, I am perſuaded Sir VVilliam intended theſe as Leonines perfect in their kind.