Yellow-billed refers to an animal or bird with a distinctive yellow-colored bill. Some synonyms for yellow-billed that can be used interchangeably include "golden-billed," "yellow-beaked," "yellow-nosed," and "yellow-mouthed." These terms are often used to describe birds, such as the yellow-billed toucan or the yellow-billed kite. Other animals that may be described as yellow-billed include the yellow-billed oxpecker and the yellow-billed cuckoo. The use of these synonyms adds variety to descriptions of animals and birds and can provide more specific details about their appearance.