Azul has multiple meanings depending on the context. Here are some of the meanings of Azul based on the search results:

• Azul: The word "azul" means "blue" in Spanish and Portuguese. It is a color that is similar to the color of a clear unclouded sky.

• Azul Systems: Azul Systems is a company that develops runtimes for executing Java-based applications. They produce the jHiccup open-source performance measurement tool for Java applications.

• Clase Azul Tequila: Clase Azul Tequila is a premium brand of tequila that originated in Mexico in 1997. The company is known for its high-quality tequilas, which are aged in oak barrels for a minimum of eight months. Clase Azul Tequila is a trendy drink that has a complex flavor profile and pairs well with fish and seafood dishes, fruit-based desserts, or even chocolate.

In summary, Azul can refer to a color, a company that develops runtimes for Java-based applications, or a premium brand of tequila.