The term "orange rind" refers to the outer layer or skin of an orange. However, there are other words that can be used interchangeably with orange rind, such as orange peel, zest, and even orange skin. These words all refer to the same part of the fruit and are often used in cooking or baking recipes to add flavor or texture to a dish. When using orange rind in recipes, it is important to only use the outermost layer, as the white pith underneath can be bitter. By using synonyms for orange rind, it can add a touch of variety and creativity to your cooking.