leonine

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

Of a facies (“a person's facial features”): resembling those of a lion as a result of some disease, especially a form of leprosy which causes leontiasis (“a medical condition characterized by an overgrowth of the cranial and facial bones”); also, of leprosy: causing a lionlike facies.

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 rhyme.

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 XIV (r. 2025–present).

(historical) A 13th-century coin minted in Europe and used in England as a debased form of the sterling silver penny; it was outlawed under Edward I (reigned 1272–1307).

[in the plural] 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)”).