The Catalan word for short is
curt

Translations for short and their definitions

curt	©
1. adj. ca-adj
2. adj. short

baix	©
1. adj. ca-adj
2. adj. low
3. adj. short (of people)
4. adv. low
5. n-m. bass (singer in the bass range)
6. n-m. bass (instrument that plays in the bass range)
7. n-m. (castells) a casteller at the base of each of the columns that make up the tronc, supporting one of the segons on his or her shoulders

Pronunciation