The term "horse-head" typically refers to the head of a horse. However, there are various other words and phrases that can be used to describe the same thing. These include "equine head", "horse's skull", "horse's cranium", "horse's noggin", and "horse's noddle". Additionally, some people may use more specific terms depending on the part of the head being referred to - for example, "muzzle" for the nose and mouth, "forehead" for the upper part of the head, and "poll" for the top of the head. Knowing synonyms for common words like "horse-head" can help to enrich your language use and expand your vocabulary.