In Spanish slang, 'cuatro' literally means 'four', but it is also used in some countries like Venezuela and Puerto Rico to refer to a small four-string guitar. In some contexts, it can also mean a trick or trap.
Examples
- Spanish: 1. Luis toca el cuatro en la banda folklorica. 2. No caigas en ese cuatro que te está montando.
- English: 1. Luis plays the cuatro in the folk band. 2. Don't fall for that trick he's setting up for you.