Citrus halimii, also known as the Philippine lime, is a small citrus fruit that originated in the Philippines. This fruit is commonly used for its tangy flavor and its juice is used in a variety of dishes including marinades, sauces, and beverages. Other synonyms for citrus halimii include calamansi, kalamunding, and calamondin. These synonyms may differ depending on the cultural context or geographical location. Despite its various names, the citrus halimii remains a versatile fruit that is cherished by many for its distinct flavor and numerous culinary uses.