Definition: Large nostrils allow for the intake of large quantities of air, especially while running. Horse also use scent to help identify people, animals and objects. Objects that are too close to a horse’s face to see will probably get a thorough sniffing. Some horses display their emotions with the nostrils. Some horses will wrinkle their nose in disgust.
Examples:
The alarmed horse made a snorting noise with its nostrils.
