The Jamaican dollar is the official currency of Jamaica. However, there are several synonyms for this currency that are commonly used in the Jamaican dialect. Some of the popular synonyms include "Jah money," "Jamaican coin," "Jamaican currency," "yard currency," "yard money," and "Jamaican green." These slang terms are often used by locals and visitors alike when referring to the Jamaican dollar. It's always important to understand the local currency when travelling to any new destination, so knowing these synonyms could be helpful when exchanging money or making purchases in Jamaica.