This is the 2178th most frequent Catalan word.
cavall
Horse.
Here, 'cavall' refers to a horse, the literal meaning of the word.
Sempre he volgut muntar un cavall.
I have always wanted to ride a horse.
In this context, 'cavall' refers to the knight piece in the game of chess, derived from its historical horse-rider depiction.
Al escacs, l'única peça que es mou amb forma de L és el cavall.
In chess, the only piece that moves in an L-shape is the knight.
Here, 'cavall' is used in a metaphorical expression, potentially derived from idiomatic language suggesting the influence of an intense event or condition.