The name Cath is an Arthurian Legend baby name. In Arthurian Legend the meaning of the name Cath is: Name of a monster.
The name Catharine is a Latin baby name. In Latin the meaning of the name Catharine is: Pure, clear. Form of the Latin 'Katharina', from the Greek 'Aikaterina'. It was borne by a number of saints, including St Catherine of Alexandria, a 4th century martyr who suffered torture on a spiked wheel.
